Mathematical equations have shaped our understanding of the universe, and these nine have played a key role in changing the world.

k{g^{- 2}}\). Overall this equation is simpler than it looks as long as you ensure that: distance is given between centres units are all in metres and kilograms The force of gravity exists between ...

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 ...

JAMES: Because mass is about the amount of matter, whereas weight is a force and is the heaviness due to gravity. ELLIE: Exactly. So let me tell you about the equation you need to calculate the ...

Newton’s theory of universal gravitation says that every particle in the universe attracts every other particle through the force of gravity ... His simple equation for universal gravitation ...

What is gravity without mass ... solving a simplified version of the Einstein field equations that allows for a finite gravitation force in the absence of any detectable mass.

Previously, physicists had assumed that the attractive force of gravity would slow down the ... to his theory of general relativity to make his equations fit with the notion of a static universe.

“We proved that the Einstein field equation from general relativity ... So, instead of thinking of gravity as an invisible ...