Decoding the Universe: Quantum | Full Documentary | NOVA | PBS - YouTube - physics/astrophysics

Albert Einstein's General Theory of Relativity predicted the existence of gravitational waves,but he didn't live to see their confirmation,which first occurred in 2017.Gravitational waves are emmited by the most powerful events in the universe,such as the merger of black holes or neutron stars.

Einstein's Quantum Riddle | Full Documentary | NOVA | PBS - Physics

An experiment was conducted at Roque de los muchachos Observatory,part of the European Northern Observatory,La Palma,Canary Islands,Spain.