- Aug 2017
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SAP BW Training
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Pentaho Training
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Hyperion Training
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CommVault Training
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Node.js Training
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Oracle RAC Training
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SolarWinds Training
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Oracle EBS Training
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MongoDB Training
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Pega Training
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SSRS Training
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tekslate.com tekslate.com
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Oracle DBA Training
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tekslate.com tekslate.com
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Ansible Training
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SPSS Training
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wcetfrontiers.org wcetfrontiers.org
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What Matters to You in Counting Distance Education Activities?
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arstechnica.com arstechnica.com
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The apparent legal threats that took down these paid hacking tools can be seen as a similar method to fix the game's cheating problem through non-technial means. And while keeping hackers out is important to the interests of fair play, GTA Online's use of microtransactions means hacks that can generate infinite in-game money impact a market that's reportedly worth half a billion dollars to Take Two.
Hack is everywhere, GTA's case shows how online game hacks can directly cause a big amount of loss of money. Not only economic loss, the impression of the game on players are also worsened. So we can see for huge online game, it is super urgent to minimize cheating as much as possible.
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www.technologyreview.com www.technologyreview.com
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Cheating also appears to be infectious. The likelihood of a fair player becoming labelled as a cheater in future is directly correlated with this person’s number of friends who are cheaters. So if you know cheaters you are more likely to become one yourself. Cheating spreads like flu through this community.
Infectiousness is cheating's another property, also the most bothering thing about cheating. Since cheating is infectious and people are easy affected by cheaters around them, cheating seems to be a unsolvable issue.
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Their idea is to use the structure of the network to predict the likelihood that a given player will become a cheat in future. In other words, the number of friends who are cheats determine how likely this player is to becoming infected with the ‘cheating virus’ in future, so to speak. They say they expect to do more work on this in future.
This idea sounds reasonable, but still kind of ridiculous. Just because a player meets many cheaters, does not mean he or she is going to be a cheater under that influence. In this case, they cannot let those honest players take responsibilities.
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So gaming communities invest significant resources into finding and stopping cheaters. In the Steam Community, for instance, which has some 30 million users, cheats are clearly labelled so that other users can see them and so that servers can prevent them playing games from which they are banned (although they can play other games).
The cheating issue has drawn a lot of attentions of game companies, they have been investing lots of resources on catching and limiting cheaters.
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Cheating is an issue in online games, and Blizzard is anticipating that cheaters may inevitably be an issue that they have to deal with in their upcoming team-based FPS, Overwatch. In a forum post written today, the developer talked about the penalties it’s imposing towards those who choose to cheat in the game.
This is a news that Blizzard has done corresponding actions for cheating behaviors. Looks like being permanently banned is what most game platforms would like to do. Also there will be reporting system for players to supervise each other. We can see that game companies are trying best to prevent cheating behavior in different aspects. But still, their attention probably can never get loose.
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- Jul 2017
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newliteracies.uconn.edu newliteracies.uconn.edu
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In short, online reading compre-hension is online research. Second, online reading also becomes tightly integrated with writing as we communicate with others to learn more about the questions we explore and as we communicate our own inter-pretations. A third difference is that new technologies such as browsers, search engines, wikis, blogs, e-mail, and many others are required. Addi-tional skills and strategies are needed to use each of these technologies effectively
Literacy, in general, is not simply knowing how to read read text. It also extends to know what to do what the information you acquire from reading. Reading also encompasses underatanding. For example, underatanding traffic lights and signs are a type of literacy that not involve text, but they communicate meaning that you need to know how to read and synthesize into action.
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Finally, and perhaps most importantly, online reading may require even greater amounts of higher-level thinking than offline reading. In a context in which anyone may publish anything, higher-level thinking skills such as critical evaluation of source material become especially important online.
Yes this is a big one. Even otherwise intelligent adults take online writing at face value without reading laterally.
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wcet.wiche.edu wcet.wiche.edu
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Online vs. F2F costs
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lti.hypothesislabs.com lti.hypothesislabs.com
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www.everythreadcount.com www.everythreadcount.com
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Bed Linen Online in Singapore from Every Thread Count
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- Jun 2017
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Study: Many Online Students Now Decide Between Multiple Programs
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jolt.merlot.org jolt.merlot.org
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"Fostering student engagement Create a community of learners Foster student-to-faculty and student-to-student interaction Judicious and strategic use of humor Creative and engaging use of videos, chats, podcasts, wikis, and discussion forums Use blogs to facilitate reflective thinking, collaborative learning, and knowledge construction( 2) Stimulating intellectual development Create natural critical learning environments Generate provocative acts, questions, statementsReflect on students‟ inaccurate and incomplete preconceptions or mental models Use technology to create engaging and authentic content(3) Building rapport with students Understand one‟s student population and determine the amount of help neededLet students get to know their teacher Use introductory video or other self-disclosure resourcesKeep written records of communication that includerelevant student information Be flexible with deadlines and due dates Provide individualized feedback on assignments and activities"
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www.brookings.edu www.brookings.edu
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Moreover, taking a course online reduces the number of credits that students who do reenroll take in future semesters.
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The average DeVry student takes two-thirds of her courses online.
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www.insidehighered.com www.insidehighered.com
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the study found that taking an online course reduces the number of credit hours taken in future semesters.
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ai.umich.edu ai.umich.edu
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The University of Michigan Teach-Out Series offers an opportunity for learners around the world to come together with our campus community in conversation on topics of widespread interest.
Short, 1-week, open courses offered on edX that explore timely topics
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wp.westga.edu wp.westga.edu
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Thisstudyexaminesthecomponentsofaself-pacedonlinecoursespecificallydesignedtoincorporateweb-basedpedagogytocreateanengaginganddynamiclearningenvironment.Itcomparesstudentperformanceinaself-pacedonlinecourse,aconventionalonlinecourseandatraditionalin-classcourseandrevealsthepotentialforstudentstothriveinawidevarietyofonlinecourseformats
This study compares performance in a face to face, online and strategically designed self-paced online course. The results showed small performance improvements for the self-paced students compared with the face to face students and larger improvements when compared to the instructor paced online course. The researchers speculate that the increased flexibility allows learners to achieve maximum performance, but this result could also be attributed to the design improvements. They discuss the design improvements made to the self-paced course, but do not share any information about the design of the face to face or instructor paced online courses. It would be interesting to see if design improvements in those formats that provided the same opportunities for interaction and feedback would change the results.
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www.irrodl.org www.irrodl.org
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It used rich media and a mix of traditional and emerging asynchronous computer-mediated communication tools to determine what forms of interaction learners in a self-paced online course value most and what impact they perceive interaction to have on their overall learning experience. This study demonstrated that depending on the specific circumstance, not all forms of interaction may be either equally valued by learners or effective.
The results show that students most highly value interactions with the instructor and content.
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www.researchgate.net www.researchgate.net
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If it can be established that student self motivation has a direct effect on remediation, it stands to reason that by finding a way to increase a student’s self motivation, the remediation process can be improved to increase the likelihood of success for a student who requires the use of remedial courses in the specialized classroom setting. Attempting to understand the factors that create a learning environment of poor motivation is an arduous task, but attempting to improve those factors that increase motivation is imperative.
This study involves a self-paced developmental mathematics course (N=86). The results showed that the students' perceived intrinsic value of the learning was a significant predictor of success in the course. Motivation had a greater impact on students' ability to succeed than prior knowledge (based on ACT math scores).
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- May 2017
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wcetfrontiers.org wcetfrontiers.org
- Apr 2017
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www.insidehighered.com www.insidehighered.com
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For about $3,000 each, telepresence robots -- which look like iPads mounted on small Segway self-balancing, battery-powered machines -- are making distance learning easier, clearer and more realistic for online students at hundreds of colleges and universities.
I think this is cool!
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Local file Local file
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The venerableLISTSERV email lists such as mediev-l (founded in 1992) and other medieval-focusedlistservs are early instances of the digital democratization of scholarship, conducted as anasynchronous and geographically dispersed conversation.
Listservs and their relationship to Notes and Queries
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firstwant to consider the ways in which our increased online presence has exposed manyof the existing networks that ground the sources of academic and intellectual authority(reputation, credibility, reliability).
How online communities have changed the way humanists work.
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Fisher, Matthew. 2012. “Authority, Interoperability, and Digital Medieval Scholarship.” Literature Compass 9 (12): 955–64. doi:10.1111/lic3.12018.
/home/dan/.mozilla/firefox/rwihx4ee.default/zotero/storage/PHS4P7D6/Fisher - 2012 - Authority, Interoperability, and Digital Medieval .pdf
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Local file Local file
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Peek, Robin Patricia. 1997. “Early Use of Worldwide Electronic Mailing Lists by Social Science and Humanities Scholars in the United States.” Syracuse University. https://www.learntechlib.org/p/127008/.
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- Mar 2017
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(Uni)-Leben in Deutschland: Ein Deutschkurs auf B1-Niveau
(Uni) Life in Germany: A German Language Course on the B1 Level
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- Feb 2017
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www.insidehighered.com www.insidehighered.com
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Online Ed's Return on Investment
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papers.nber.org papers.nber.org
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NBER WORKING PAPER SERIESTHE RETURNS TO ONLINE POSTSECONDARY EDUCATION
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www.nber.org www.nber.org
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The Returns to Online Postsecondary Education
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Welcome to OLOT - the Online Learning Orientation Tool
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www.pdx.edu www.pdx.edu
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Online Experience
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www.northeastern.edu www.northeastern.edu
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What's a week look like?
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www.northeastern.edu www.northeastern.edu
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Beginning an Online Course
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www.ffn.ub.es www.ffn.ub.es
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radiation
Remember in class when we discussed the definition of radiation. It means more than something that is radioactive. All things what emit light or things in the electromagnetic spectrum radiate. Like this radiant cook top is radiating in the thermal range (and in the visible light range of the spectrum as well-- thus the red light we see).f
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entropyS
We did not cover what entropy is in class. Entropy is discussed in Hakim's Newton at the Center book. Entropy is the tendency of the Universe to move toward more disorder. But, it will turn out in Physics and Chemistry that we can measure entropy, energy and a thing called enthalpy. It takes the 3 of them together to decide if a physical process or chemical reaction can happen in thermodynamics.
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a limiting case
A limiting case is extremely useful in science. It is something that will usually give us an absolute max or min. So, Planck is saying here that we can use Wien's equation to form a boundary to at least check that we are in the right zone for the correct answer.
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Wien’s Equation
So, what was this Wien's Equation that Planck was improving? Wien had come up with a formula that was really close to the one that Planck would describe. But, it didn't work for short wavelengths and high frequencies. Rayleigh and Jeans had earlier come up with a straight-line formula that worked for larger wavelengths and lower frequencies, but not the higher ones. Planck's was the first to work for both. To review the relationship between wavelength and frequency, see the phet simulation here.
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- Jan 2017
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law2.umkc.edu law2.umkc.edu
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Such people have the same kind of mind as do those who deny the antipodes on the grounds that one cannot walk with his head down and his feet attached to the ceiling
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but as to the first, I think I could clear that up myself.
He fell for it...
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The first was that if it were true that the sun and other stars did not rise over the eastern horizon, but the eastern side of the earth sank beneath them while they remained motionless, then it would follow that after a short time the mountains, sinking downward with the rotation of the terrestrial globe, would get into such a position that whereas a little earlier one would have had to climb steeply to their peaks, a few hours later one would have to stoop and descend in order to get there.
Oh, he got me! When I read this the first time, I thought Galileo was making a mistake here. But...
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The other was that if the diurnal motion belonged to the earth, it would have to be so rapid that anyone placed at the bottom of a well would not for a moment be able to see a star which was directly above him, being able to see it only during the very brief instant in which the earth traverses two or three yards, this being the width of the well. Yet experiment shows that the apparent passage of such a star in going over the well takes quite a while--a necessary argument that the mouth of the well does not move with that rapidity which is required for the diurnal movement. Hence the earth is motionless.
Fun! New addition to our Aristotle Leads the Way class for the Eratosthenes Homework!
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You wonder that there are so few followers of the Pythagorean opinion, whereas I am astonished that there have been any up to this day who have embraced and followed it.
Ha! He's so funny.
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So take a sheet of paper and the compasses; let this page be the enormous expanse of the universe, in which you have to distribute and arrange its parts as reason shall direct you. And first, since you are sure without my telling you that the earth is located in this universe, mark some point at your pleasure where you intend this to be located, and designate it by means of some letter.
New homework assignment for Aristotle Class! Hurrah!
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They, as most reverent and most humble slaves of Aristotle, would deny all the experiences and observations in the world, and would even refuse to look at them in order not to have to admit them
Aristotle famously fought with his teacher, Plato, that we should make observations. Galileo is making the point that the Peripatetics are just quoting Aristotle's writings. They have not understood what he said about how science should be conducted. Aristotle went out into the world to observe things for himself.
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fault of the computer
No, they didn't have computers. :-) The word computer used to refer to the person who is doing the math-- like in the movie "Hidden Figures" that tells the story of the African American women who did the math for the early NASA missions. For quite a while, many in computer science and astronomy thought that only a woman's brain was suited for being a computer or a programmer.
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In the long run my observations have convinced me that some men, reasoning preposterously, first establish some conclusion In their minds which, either because of its being their own or because of their having received it from some person who has their entire confidence, impresses them so deeply that one finds it impossible ever to get it out of their heads.
Still a problem for us today! This is why credible scientific experiments must always be designed to compensate for the "Cognitive Biases" of the experimenters and-- when humans are also the subjects-- of the subjects.
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law2.umkc.edu law2.umkc.edu
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Nor in this case is there any use in Copenicus saying that this motion, because it is natural to the earth and not constrained, works contrary effects to those of forced motions; and that things which are given impetus are destined to disintegrate and cannot long subsist, whereas those made by nature maintain themselves in their optimum arrangement.
Simplicio has a point here. Copernicus has proposed how things work outside the conditions we have on the Earth. Simplicio is saying-- "Hey, you want us to observe things? When we observe things, stuff doesn't move perpetually without someone moving it on purpose." It turns out that Copernicus was right-- in space, we don't have the issues of air-resistance and some of the other forces that slow moving objects down.
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Aristotle's arguments are drawn mostly from the things around us, and he leaves the others to the astronomers. Hence it will be good, if it seems so to you, to examine those taken from earthly experiments, and thereafter we shall see to the other sort.
Galileo puts himself forward as the true Aristotelian in several places-- because they were both people who decided to observe first and then decide things.
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Then why are two circular motions not contrary? Being made upon the surface of the land or sea, which as you know is spherical, these motions become circular. Do you know what circular motions are not contrary to each other, Simplicio? They are those of two circles which touch from the outside; one being turned, the other naturally moves the opposite way. But if one circle should be inside the other, it Is I . impossible that their motions should be made in opposite directions without their resisting each other.
Galileo will get some stuff wrong about curved motion being the natural motion, but this bit he gets very right. And, it is something that is really hard for people to remember. We somehow "get" that linear momentum is a thing, but angular momentum is still amazingly surprising. Check out this video for an example of that.
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And I question whether Aristotle entirely understood it when selecting it from some good school of thought, and whether he has not, by altering it in his Writings, made it a source of confusion among those who wish to maintain everything he said.
Oh-- I need to find this in Aristotle!
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I should think that anyone who considered it more reasonable for the whole universe to move in order to let the earth remain Fixed would be more irrational than one who should climb to the top of your cupola just to get a view of the city and its environs, and then demand that the whole countryside should revolve around him so that he would not have to take the trouble to turn his head.
Love this!
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For a motion which is perceived only, for example, in the moon, and which does not affect Venus or Jupiter or the other stars, cannot in any way be the earth's or anything but the moon's.
This concept would resonate with Newton and help us get to his Law of Universal Gravitation.
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For a simple movable body there can be but a single motion, and no more, which suits it naturally; any others it can possess only incidentally and by participation. Thus when a man walks along the deck of a ship, his own motion is that of walking, while the motion which takes him to port is his by participation; for he could never arrive there by walking if the ship did not take him there by means of its motion.
Thought Experiment on the Principle of Relativity, Part 2.
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it does not act, and is as if It did not exist. Thus the goods with which a ship is laden leaving Venice, pass by Corfu, by Crete, by Cyprus and go to Aleppo. Venice, Corfu, Crete, etc. stand still and do not move with the ship; but as to the sacks, boxes, and bundles with which the boat is laden and with respect to the ship itself, the motion from Verflice to Syria is as nothing, and in no way alters their relation among themselves. This is so because it is common to all of them and all share equally in it. If, from the cargo in the ship, a sack were shifted from a chest one single inch, this alone would be more of a movement for it than the two-thousand-mile journey made by all of them together.
The Thought Experiment on the Principle of Relativity, Part 1.
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For my students who are reading this to find out about the Principle of Relativity (Newton and Einstein classes) and not theories of the Universe (Newton and Aristotle classes), you might want to skip down to my next comment.
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having divided the universe into two parts, one of which is necessarily movable and the other motionless
What is truly motionless in the Universe? That's a hard one. Currently, we measure all relative movement in astronomy against the Cosmic Background Radiation or the Cosmic Microwave Background. But, we currently believe-- based on the work of Edwin Hubble-- that space itself is expanding. So, there seems to be no absolutely "still" spot in the Universe. Galileo wants to divide the Universe into the moving and the motionless here. But, we now think that there is nothing in the Universe that is motionless.
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it is operative only in the relation that they have with other bodies lacking that motion
If Jane and Mary have a motion that is "common" to both of them, it doesn't matter to them that they are moving. But, if Bob has a different motion, both Jane and Mary think that Bob is moving. It's obvious. But, they might forget the the two of them are both moving. My laptop and I are moving at a breakneck speed as the earth spins on its axis and orbits around the sun all while the sun and the Milk Way Galaxy its in are also moving. But, I don't think about that most days. And, I would say that we are both sitting still in a coffee shop right now and the Mocha sitting next to me is not going to suddenly spill. It has a motion common to me and my laptop. But, if we came across something that was totally still-- we would notice! In fact, I would think, "Wow! That thing is moving FAST!"
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I should have thought it somewhat older.
I love this! Galileo's attitude shines through. Aristotle? Really? Didn't any of those people who worked on ships figure this out for themselves? He's saying, "Hey-- your hero worship is showing."
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Peripatetic
The Peripatetics were a group of philosophers who thought while walking. Sometimes it is used to refer to traveling philosophers or teachers-- kind of like "visiting professor" today. But, here, the speaker is saying that what SALV has said agrees with Aristotle. That is, " This is good, sound doctrine, and entirely Aristotelian." The Peripatetics were Aristotelian.
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Motion, in so far as It is and acts as motion, to that extent exists relatively to things that lack it
This is where the discussion of Galileo's Principle of Relativity really gets going.
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law2.umkc.edu law2.umkc.edu
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I cannot without great astonishment -- I might say without great insult to my intelligence -- hear it attributed as a prime perfection and nobility of the natural and integral bodies of the universe that they are invariant, immutable, inalterable, etc., while on the other hand it is called a great imperfection to be alterable, generable, mutable, etc. For my part I consider the earth very noble and admirable precisely because of the diverse alterations, changes, generations, etc. that occur in it incessantly. If, not being subject to any changes, it were a vast desert of sand or a mountain of jasper, or if at the time of the flood the waters which covered it had frozen, and it had remained an enormous globe of ice where nothing was ever born or ever altered or changed, I should deem it a useless lump in the universe, devoid of activity and, in a word, superfluous and essentially nonexistent. This is exactly the difference between a living animal and a dead one; and I say the same of the moon, of Jupiter, and of all other world globes.
This is my favorite passage in all of Galileo's writings.
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for an illusion of the telescope
There are some optical aberrations that were illusions of the telescope. But, they really got conspiratorial in their theories about the telescope at this time. It was much like people today who think our images of the Earth are part of a NASA conspiracy.
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nor have I ever set much store by Tycho's verbosity
Interesting! Galileo was a friend of Kepler-- Tycho's best student and the man who disproved his model of the Universe after his death.
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What you refer to is the method he uses in writing his doctrine, but I do not believe it to be that with which he investigated it. Rather, I think it certain that he first obtained it by means of the senses, experiments, and observations, to assure himself as much as possible of his conclusions. Afterward he sought means to make them demonstrable. That is what is done for the most part in the demonstrative sciences; this comes about because when the conclusion is true, one may by making use of analytical methods hit upon some proposition which is already demonstrated, or arrive at some axiomatic principle; but if the conclusion is false, one can go on forever without ever finding any known truth -- if indeed one does not encounter some impossibility or manifest absurdity. And you may be sure that Pythagoras, long before he discovered the proof for which he sacrificed a hecatomb, was sure that the square on the side opposite the right angle in a right triangle was equal to the squares on the other two sides. The certainty of a conclusion assists not a little in the discovery of its proof -- meaning always in the demonstrative sciences. But however Aristotle may have proceeded, whether the reason a priori came before the sense perception a posteriori or the other way round, it is enough that Aristotle, as he said many times, preferred sensible experience to any argument. Besides, the strength of the arguments a priori has already been examined.
But, here, Galileo may give Aristotle too much credit. Science historians currently see the real lack of new experiments to test a conclusion drawn from observations as the principle difference between the science done by people before the Scientific Revolution and the science done during and after it.
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I declare that we do have in our age new events and observations such that if Aristotle were now alive, I have no doubt he would change his opinion.
Aristotle isn't Galileo's enemy and he acknowledges it here.
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You say that alterations which may be seen near at hand on earth cannot be seen in America because of the great distance. Well, so much the less could they be seen in the moon, which is many hundreds of times more distant.
Simplicio made the mistake of saying that there aren't any changes because he never saw any. But, he has no means of detecting them! How many of these assumptions are we making today because we haven't invented some new way of measuring our Universe and its many dimensions?
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But if you have to content yourself with these visible, or rather these seen experiences, you must consider China and America celestial bodies, since you surely have never seen in them these alterations which you see in Italy. Therefore, in your sense, they must be inalterable.
Nerd-burn again! Ha, ha!
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nothing will do but circular motion or rest
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And from this he infers it to be necessary and proper that all simple motions are confined to these three kinds; namely, toward the center, away from the center, and around the center.
Aristotle might be more right about this than Galileo is-- that is that motion is made up of straight lines. Galileo will make a mistake about "curved motion" to be natural motion. He did not understand-- as we do-- how vector decomposition could explain the parabolic trajectory of a cannonball.
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in order to prevent the things they admired from being exposed to the slander and scorn of the common people, the Pythagoreans condemned as sacrilegious the publication of the most hidden properties of numbers or of the incommensurable and irrational quantities which they investigated. They taught that anyone who had revealed them was tormented in the other world.
Wow! He is taking on Pythagoras and his secret society as well as Aristotle. His Dad took on Pythagoras and his music theories when Galileo was a child and his father was a famous composer.
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I do not even understand, let alone believe, that with respect to legs, for example, the number three is more perfect than four or two
So funny! I wish I could have taken classes from him.
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a certain Peripatetic philosopher whose greatest obstacle in apprehending the truth seemed to be the reputation he had acquired by his interpretations of Aristotle
This is a problem of scientists even today. If you go ahead to read Day 4, you might wonder if Galileo himself has this problem-- since his explanation of the tides is a bit off.
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These men indeed deserve not even that name, for they do not walk about; they are content to adore the shadows, philosophizing not with due circumspection but merely from having memorized a few ill-understood principles.
Ha! Nerd-humor/Nerd-burn!
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fod.msu.edu fod.msu.edu
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Evaluating Online Courses
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- Dec 2016
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www.gatesfoundation.org www.gatesfoundation.org
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Ninety-five percent of 12- to 17-year-olds already go online on a regular basis. They use social networks, and create and contribute to websites. Our work is focused on taking full advantage of the kinds of tools and technologies that have transformed every other aspect of life to power up and accelerate students’ learning. We need to do things differently, not just better.
Hypothes.is nicely bridges the worlds of social media and formal education.
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www.ffn.ub.es www.ffn.ub.es(Undefined)33
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energy is distributed over the vibrations of the resonator and overthe various of the radiation present in the medium, and what will be thetemperature of the total system
This is just another ways of saying the problem they are looking at: "When I heat something to a certain temperature, how can I predict the color of the light that will come off of it?"
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bounded by reflecting walls.
He wants you to think about a closed system. If you are doing Newton at the Center or you had me for that class, this is what Lavoisier is on about (and why we had the slide with the walls around Paris over and over again).
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ight velocity c
So, in a perfect vacuum. Because in anything less than a perfect vacuum, the velocity of light is a bit slower. Like when we use a prism of glass or water to separate light out-- we are using the fact that the waves slow down differently in goopier stuff.
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diathermic medium
And, these things are in some stuff that lets heat flow through freely. Like a perfect vacuum.
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Nof frequencyν(per second),N0of frequencyν0,N00of frequencyν00, ...,with allNlarge number
He's just saying you have a bunch of them and they all have their own frequency.
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the solution of the problem
But, he knows his results are the better than anyone else has gotten so far. So, he's saying-- "Hey, don't give up before you check out my awesome results at the end."
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arbitraryand complicated
A Calculus solution would have been more elegant. He's being a bit defensive here, since his "quanta" won't look like a nice Calculus formula.
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one constant of nature only
Constants of Nature are a big deal. For more on them, I recommend this book: The Constants of Nature
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without knowing anything
This is a big deal. He is saying that his new theory is general. And, it's a relief to us. Because it means that we can plug in values when we see them and that they should always work.
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thereal core of the theory
But, how much of the theory did he actually understand himself at this point?
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Mr. Boltzmann
See Newton at the Center for Boltzman's Constant
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the same stationaryradiation field
So, the M&M experiment will tell us that there is none. But, for the purpose of measurement for the experiment here, it acts as if there is a stationary reference frame. Remember our first homework where you built a reference frame to observe the retrograde motion of mars?
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time intervals long compared to the period of one vibration
He's saying that you have to look at the experiment for a long time compared to the period of the vibration. The period of the vibration is the frequency. So, it's not hard to look at an experiment much longer than that. Basically, he's saying we would expect there to be a whole bunch of random wavelength/frequency thingies showing up over the time we take a measurement. But, that's not exactly what he found.
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monochromatic
Monochromatic means one color. The color of light is determined by its wavelength.
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Max Planck's 1900 Paper Part B
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On the Theory of the Energy Distribution Law
So, why is this so separated from the last part? In this part, he wants to make clear what is new.
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radiation
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E=Cλ−5ec/λT−1
- E is Energy
- C is not the speed of light here. It refers to a constant.
- $$\lambda$$ is always the wavelength
- the little e is a special irrational number called Euler's Number).
- And, I'm not honestly sure if it is being raised to c the speed of light or C the constant in question. And, that's OK. Remember-- we don't need to totally digest any of the papers we are reading for this section. You can always go back when you have more information.
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probability
This is not the last we have heard of probability. And, remember when we looked at the Bohr model of the atom? We said that those orbital tracks were useful, but not what the atom was really like. Turns out the electrons are in orbitals of probability clouds.
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Sas a logarith-mic function ofU
For what a logarithm is see the optional "Dragon Finding with Logarithms" homework on our class page or this fantastic video by Vi Hart.
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ompletely arbitrary expressions
They turn out not to be so arbitrary. But, I like how we can see how humble he is at this point. He is just plugging things in to the math that work without knowing why they work and without being able to solve the equation exactly and it's bugging him.
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Uitself must also be known for this
If the continuous function thing were valid, then we could always get from S to U and U to S. But, it's not continuous, so we can't.
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nidentical processesoccur independently
Remember, the n is important because it means that what he's talking about is in countable buckets and not continuous like Calculus wants.
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const
Some constant goes here. So far, h is working around with Wien's Law and he's saying that "if you take a special case" you will get to the point where the second derivative (see the 2's in the left hand side of this equation?) of the entropy (he called that S earlier) compared to the vibrational energy (he called that U earlier) is equal to some number divided by the vibrational energy (the U on the right hand side of the equation).
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2
The 2 here and the one below look like we are squaring something, but it's more Calculus. The 2 in this case is the second derivative. The derivative is the slope of the line. If the line is curved, the second derivative is how fast the slope of the line changes.
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written to me
Scientific correspondence is still a big deal.
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f(Un)
f(something) is a special notation in math. It looks like it means fsomething. But, it doesn't. It means "an equation where the only thing you have to plug in is the something". And we say that "f is a function of something". So, f(x) means that "f is a function of x". Here is an f(x): xx*x + 3. To know what that is equal to, all you need to know is what x is equal. Here he is saying that there is some equation where you just needed to know U. U above was the vibrational energy. The little n next to the U means that it is the particular vibrational energy for the resonator he was talking about a minute ago. Don't worry about the math other than that. But, there are some \(\bigtriangleup\)'s here. Remember from our "don't look down" lessons that this means the change in something.
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a stationary radiation field
Spoiler Alert! There is no Stationary Radiation Field. Michelson and Morley prove that and Einstein will talk about what that implies in his papers.
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n
n is kind of a big deal here. In statistics, it relates to the number of things you are counting. And, what "n identical resonators" means is that there are a countable number-- so it isn't continuous like with Calculus.
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the evaluation of an infinitesimal increase
Infinitesimal is talking about Calculus. Remember that in class we said that Calculus was giving them the wrong answers. When you add up the infinitesimal stuff he is looking at you get something like this: But, what Planck found out was that the energy comes in distinct buckets. So, it would look more like this in reality:
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vibrational energyU
Remember in class when we talked about the wave on the string simulation? The beads on the string stayed in place and just move up and down. The vibrational energy he is talking about here is the energy the person who holds the end of the string would feel when the wave got to their hand.
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linear resonator
To understand more about resonance, take a look at this phet.colorado.edu simulation.
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Spectrum
Remember-- Planck is thinking about the Ultraviolet Catastrophe. Physics Girl and PBS Space Time both have great videos on this.
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- Nov 2016
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hypothes.is hypothes.is
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Online tutoring with its growth and popularity in all over the world has become an excellent place for the job seekers with mastery in almost any subject, academic or others like music and arts. Click on the website of any online tutoring company in UK and you will find that they require teacher for any subject you know. However, the demand of the tutors varies from subject to subject.
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Online tutoring is the word on the streets; it refers to all the courses that are taught through a captured video clip of the teacher explaining the topic, while the students watch these recorded clips over the Internet.
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Now days finding a job are not an easy task or it could be said that there are vast opportunities available for people to get work. In the era of internet there are lots of work opportunities. People just need to grab them and get paid for their skills and competencies. Out of all the jobs online tutoring is something which is very popular and highly respectable job.
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A tutor should firstly know about his/her personal skills of teaching and make those skills the base of determining the price per hour. The highly educated tutors usually expect much more money that the other tutors but sometimes even the highly educated tutors do not have good skills in teaching.http://blog.selectmytutor.co.uk/tips-for-tutor-before-deciding-their-hourly-rate/
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Uberisation is basically known as the application age or the advanced age where people are becoming advanced and using the applications for everything. This application culture is known as the uberisation culture. http://blog.selectmytutor.co.uk/tutoring-becomes-part-rising-uberisation-culture/
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www.businesstrainingworks.com www.businesstrainingworks.com
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Share your favourite icebreakers or starter activities. Have you adapted them to online or do you use different icebreakers online?
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hypothes.is hypothes.is
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The online platform has changed the social scenario in various contexts. Mainly with the help of online platform, the people are able to connect to each other. In the field of education also lots of changes have been witnessed by the society. It has changed the dimensions of study. http://blog.selectmytutor.co.uk/youtube-tutoring-a-leap-change/
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Today English is the most commonly used, i.e. spoken, written and listened language, making it extremely popular all around the world. In many countries, it has become the second official language, as they have understood the importance of it in the modern context. http://blog.selectmytutor.co.uk/top-10-books-on-english-language/
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Sharing economy can be defined as the socio-economic system which is used to describe the social and economic activities. Shared economy is also known as peer economy, collaborative consumption or share economy.http://blog.selectmytutor.co.uk/shared-economy-and-millennial-changing-the-startup-scene-in-the-uk/
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- Oct 2016
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Several studies found the decrease in comprehension on digital devices was more due to distractions on the internet than to the medium itself. Perhaps self-control is among the key skills to teach students expected to read more online.
Distractions as a researched problem, but where is the citation?
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archive.is archive.is
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14 Oct 2016 18:57:49 UTC
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14 Oct 2016 18:57:49 UTC
online tools for check scan ip address
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- Sep 2016
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www.hup.harvard.edu www.hup.harvard.edu
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Minds Online
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rxshoppingmart.com rxshoppingmart.com
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Roxicodone 30mg is a ache killer medication, it's miles used within the treatment of sufferers who often suffer from painful situations. buy Roxicodone 30mg online overnight with out Prescription.
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rxshoppingmart.com rxshoppingmart.com
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Ritalin drugs are used to treat attention deficit disorder. Ritalin Sometimes Known as Methylphenidate. To Buy Methylphenidate Tablets visit our Online Pharmacy.
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rxshoppingmart.com rxshoppingmart.com
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united states, uk, Indonesia, Malaysia, India, Hong Kong and Thailand. tablets; Oral; Sibutramine Hydrochloride Monohydrate 15 mg. Reductil tablet is claimed to help you to eat less.
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rxshoppingmart.com rxshoppingmart.com
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Restoril 30mg is a pain reliever, it is used to deal with trauma situations in which humans regularly reports pain. examine fees and print coupons for Temazepam (Restoril).
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rxshoppingmart.com rxshoppingmart.com
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Percocet 10mg is a pain reliever, it is used to deal with trauma conditions in which human beings regularly studies ache. Percocet is combination of acetaminophen and Percocet.
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rxshoppingmart.com rxshoppingmart.com
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Percocet 10mg is a pain reliever, it is used to deal with trauma conditions in which human beings regularly studies ache. Percocet is combination of acetaminophen and oxycodone.
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www.insidehighered.com www.insidehighered.com
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commenting
From one of the Disqus comments:
Which piece did you read?
Though seemingly innocuous, this comment gets much closer to an ad hominem attack than to a throughtful conversation. The rest of the comment is ok, but it’s with slips like these that we get into flamewars.
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mfeldstein.com mfeldstein.com
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Coursera announces Coursera for Business, shifting toward corporate learning. Udacity has already followed the same path.
Coursera mission statement from early 2012: "We are committed to making the best education in the world freely available to any person who seeks it." 2016: "Meh."
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- Jul 2016
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www.wikizhow.com www.wikizhow.com
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Definition of SEO or Search Engine Optimization. We are associated with WikizHow and in this post, we explained about every detail of SEO. Learn about the benefits and importance Search Engine Marketing.
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- Jun 2016
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hybridpedagogy.org hybridpedagogy.org
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Being accessible, comprehensible and reachable is where credibility now lies, because of the expectations embedded in practicing openly on the Resident Web.
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hechingerreport.org hechingerreport.org
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Most of the universities combined the software with human instruction, but a few courses were delivered entirely online.
Interesting dichotomy.
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www.incomeon.com www.incomeon.com
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Make Money online - get money online - online Tv - free shops - free classified
Make Money ($) With Incomeon By Socializing. Create Shops Attract New Customers Market And Sell Your Products On The World's Leading Social Network for more information please visit: https://www.incomeon.com/
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- May 2016
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www.newyorker.com www.newyorker.com
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Being a Better Online Reader
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- Apr 2016
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“Go where the readers are” is what publications whistle to themselves as they slink by the graveyard of their inflexible or unlucky brethren.
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newlearningtimes.com newlearningtimes.com
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the clumsy and often linear arrangements often impede students from digesting each other’s comments and engaging in organic dialogue.
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- Mar 2016
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hybridpedagogy.org hybridpedagogy.org
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Great example of a forum which will cause burnout (for both student and professor). I like the idea for using Twitter as explained below. Students are probably already using the tool, it can be used as a back channel, and it has a more normal flow of conversation with potential guest speakers.
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- Jan 2016
- Dec 2015
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www.knewton.com www.knewton.com
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the unit size of higher ed will begin to change from a traditional four-year on-campus bundled experience to more of a course-based experience
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Series of webinars on the pedagogy of Web annotation.
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Black Culture is Cool, So Why Aren't Black People? has received over 20K views. It was written for a freshman writing class at Cornell University taught by Dexter Thomas, Jr..
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organize and remember useful sites on the Web
Bookmarking still isn’t a solved issue.
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improving the quality of comments that a reader sees for Web content
Sounds like solving the problem with comments is a priority to many, but approaches tend to diverge. Some content publishers have decided to turn off comments, because of perceived issues with the “signal-to-noise ratio”. Others adopt a community management approach, enabling people to monitor and moderate comments as a special type of a group effort. Annotation brings this approach to a new mode, though people may not comments and annotations as occupying the same sphere.
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- Nov 2015
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It's winter time and that means it's cold out there, like Hajnalka notes. Shivering little bodies shuffling from class to class. Seeing as vcu is a school where classes are scattered all over it just seems like a “double whammy” to study for hours and hours, and days and days, then have to sniffle your way to a classroom where you'll be stuck up against all those other students for just a few hours. Also, like the brilliant Hajnalka noted, traveling is a bummer for many students as well, so to have to travel for a mere two hour long test when it could be done at their house seems like an even more bummer. Even you, professor, allowed a student of yours in our theory class go home because you thought her well-being surpassed being in a physical classroom (sorry to hit you with that example, but it's all I got!). I know we are so privileged to be in a safe and community focused school, where we are tremendously lucky to have access to teachers and college in general, and I just know that we're beyond appreciative and grateful for all those things … but we've had all of our other exams (quizzes) online already, I think we've become used to it. I'd totally understand coming to class for an exam if that's how it was done the whole semester, but seeing as it wasn't we're addicted to the home exams...no worries though, it's not a serious addiction! ...(thank you thank you thank you Hajnalka for taking the time to create the argument we all agree with! ) (p.s. Sorry to debate you professor! It's all in good fun....but we're serious too!) -bria g-g
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- Oct 2015
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onlinelearningconsortium.org onlinelearningconsortium.org
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possible partner in online learning initiative
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URL
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- Sep 2015
- Aug 2015
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www.edudemic.com www.edudemic.com
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Flexibility
Some connection with SAMR, unbundling, “open learning”… With diverse learners whose constraints may affect institutions, there’s a fair bit of talk about new(ish) tech-infused approaches to distance education. As with many other things, not much of it is new. But there might be some enabling phenomena. Not sure how gamification fits, here. Sure, open play could allow for a lot of flexibility. But gamification is pretty much the reverse: game mechanics without the open-ended playfulness.
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- Jul 2015
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twentyfour.fibreculturejournal.org twentyfour.fibreculturejournal.org
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http://ssrn.com/abstract=2588493
Grimmelmann, James. "The Virtues of Moderation." April 1, 2015. SSRN http://ssrn.com/abstract=2588493 keywords: moderation, online communities, semicommons, peer production, Wikipedia, MetaFilter, Reddit 17 Yale J.L. & Tech. 42 (2015) U of Maryland Legal Studies Research Paper No. 2015-8
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- Jun 2015
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This is important. It means that someone is mixing their public comments related to both their personal views and their work. Effectively, you could say that one is being used to bootstrap an audience for the other. This means that you can't separate these issues by the medium in which they are placed because people are actively mixing their personal and professional speech and benefiting from it in one context while avoiding accountability in the other context.
A very important point!
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Annotators
URL
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- Apr 2015
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www.blueinteractiveagency.com www.blueinteractiveagency.com
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Google and OTAs: the Bad, the Ugly and the Good
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- Jun 2014
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dx.doi.org dx.doi.org
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Anna von Veh
Other articles on fanfiction and publishing by Anna von Veh
von Veh, Anna. 12 June 2012. What Can Trade Publishers Learn from Fanfiction?. Publishing Perspectives. von Veh, Anna. 12 October 2012. Why Fanfics are Like Startups. Publishing Perspectives. von Veh, Anna. 25 June 2013. Kindle Worlds: Bringing Fanfiction Into Line But Not Online?.
Interviews
Lenz, Daniel. 31 May 2013. Anna von Veh über Perspektiven der „Kindle Worlds“. buchreport. Molinari, E, Draghi E. 11 February 2014. Anna von Veh: «Ecco perchè le fanfiction sono il prossimo business model per l'editoria»Giornale della Libreria. Frossard, Flavia. 29 January 2014. Digital Publishing Market and FanFiction – An Interview with Anna Von Veh. Widbook blog. Webb, Jen. 3 October 2011. The agile upside of XML. Interview with Anna von Veh and Mike McNamara. O'Reilly Tools of Change for Publishing.
Articles and posts on tech/art in publishing
von Veh, Anna. 10 May 2012. Let’s Improvise! Jazz as a Metaphor for Publishing Progress. Publishing Perspectives. von Veh, Anna. Musings on Digital: a collection of blog posts
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