The Scale of the Universe 2
Zoom from the edge of the universe to the quantum foam of spacetime and learn about everything in between.
Sixty Symbols - Physics and Astronomy videos
Curious and quirky videos describing the various symbols used in physics and astronomy
Pythagorean cup - Wikipedia, the free encyclopedia
A (also known as a , a or a ) is a form of which forces its user to imbibe only in moderation. Credited to , it allows the user to fill the cup with up to a certain level. If the user fills the cup only up to that level he may enjoy his drink in ...
100 Very Cool Facts About The Human Body