Legend has it that Isaac Newton had the moment of inspiration that would lead to his theory of gravity when, on a warm ...

Isaac Newton - isn't he the guy who discovered gravity? Great! So, what's gravity? Aaaah, gravity is the force that makes objects fall towards the ground. And, without gravity, we'd all float!

Subscribe to our daily newsletter to keep in touch with the subjects shaping our future. I understand and agree that registration on or use of this site constitutes agreement to its User Agreement ...