3 Matching Annotations
  1. Dec 2017
    1. In physics, for example, one might measure the potential energy of an object in Earth’s gravitational field by finding its mass and height (which of course requires measuring those variables) and then multiplying them together along with the gravitational acceleration of Earth (9.8 m/s2).

      confusing

  2. Oct 2015
    1. Liquid argon is used as the target for neutrino experiments and direct dark matter searches.

      Can someone explain to me what this research is for and why they use Argon? I don't understand the way it's explained. I am working on a science project. I am in the 4th grade.

    2. Liquid argon is used as the target for neutrino experiments and direct dark matter searches.

      Can someone explain to me why argon is used in these experiments and what they are for? I am working on a science project (I am in the 4th grade). Thank you!