6 Matching Annotations
  1. Aug 2019
    1. There’s a perception that the Old World is the advanced world and transferred all this knowledge to the New one, but we are realizing that they knew a lot, and I think this is one more piece of evidence for that

      It's refreshing to see someone coming to this conclusion based on the research and evidence. It seems most of the time we tend to underestimate the technology that civilizations in this era used.

    2. What happened here is that these rocks were struck by lightning sometime between when they were formed many thousands of years ago, and when they were carved

      It kinda makes you wonder if it wasn't struck by lightning naturally but that the people did it to the rocks intentionally.

    3. The fields found in the statues, however, are far stronger — in some cases nearly four times that of the Earth’s magnetic field.

      That's quite impressive. It's on the same order of magnetisim as the rocks at the Puma Punku site in Bolivia.

    4. artisans carved the figures so that the magnetic areas fell at the navel or right temple — suggesting not only that Mesoamerican people were familiar with the concept of magnetism but also that they had some way of detecting the magnetized spots

      The potbelly statues have very strong magnetic areas on the head and around the belly button suggesting that the people who made them had knowledge of magnetism.

  2. Mar 2018
    1. Some 1,800 miles beneath southern Africa is an area called the African Large Low Shear Velocity Province, a heavy region that might be pressing down on the hot liquid iron at the Earth’s core that is responsible for generating the magnetic field in the first place.

      The African Large Low Shear Velocity Province. Someone could have named that after themselves and didn't...

  3. Nov 2017
    1. Pumps are basically machines which are used to transport fluid substances from one place to another. Their use in domestic household includes pumping water from ground or underground level reservoir to some storage at some height.