33 reactions
In the 17th century, famed astronomer and physicist Galileo Galilei is said to have climbed to the top of the Tower of Pisa and dropped two different-sized cannonballs. He was trying to demonstrate his theory — which Albert Einstein later updated and added to his theory of relativity — that objects fall at the same rate regardless of their size. But what about a cannon ball and feathers?
Watch this!
Watch this!
| 1,143,000 mlx | |
| 118 | |
| 33 |
