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

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

There are various methods to measure acceleration due to gravity. At Higher level all rely on one of the equations of motion. The measurements required will depend on the equation used.

So, instead of thinking of gravity as an invisible force pulling ... field and the curvature of the spacetime.” “The obtained ...