Science

Science

CGP Grey, a channel about Physics and more...

Are Pop Lyrics Getting More Repetitive?

How Deep the Ocean Really Is ?

A Video by 'In a Nutshell' illustrating the book :

Brian Cox visits NASA’s Space Power Facility in Ohio to see what happens when a bowling ball and a feather are dropped together under the conditions of outer space.
According to Galileo, a physicist and mathematician from the 16th century, in the absence of air a feather should fall at the same speed as a canonball, even given the hugely different weights. Is that true ?

40 years ago, NASA sent a message to aliens. Here's what it says :