What did Newton understand that was such a revolution? Can someone just... explain gravity to me? Let's start with a ...

We experience the flow of time because it’s a natural outcome of the basic laws of physics. But we may need to build a whole ...

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!