In it, he suggested that gravity is not a force, as Newton had believed, but the result of a curvature of the space-time continuum -- the four dimensional world in which we live. He used a thought ...

and a not-so-serious wager on the nature of space-time. The theory of general relativity tells us that gravity is the curvature of space-time. Massive objects, like the Sun, warp the space and ...

This is because when gravity warps space and time, it interacts with everything within the curvature whether it has mass or not. When light passes through a massive astronomical object ...

The secret behind how the International Space Station remains in orbit ... then the curve of the cannonball downward under gravity would match the curvature of Earth. It would keep falling ...

Recent research in this field has focused on developing new multiplet structures, understanding curvature invariants ... framework that extends ordinary space-time to include additional dimensions ...