Quantum computers have the potential to perform certain tasks much faster than classical computers, although they are still some way away from being a practical reality.
Many of the concepts in 'Endgame' are connected to recent scientific theory, simulation and speculation.
The theory of general relativity, which describes the nature of gravity, revolutionized science after its publication in 1915.
The object can make about 60 billion rotations per second.
The research—which was led by the Institute of Photonic Sciences in Barcelona—was conducted by an international team of physicists from 12 institutions who managed to close a loophole found in a common test of quantum mechanics.
The theory breaks with the popular idea that expansion is caused by dark energy and suggests energy for expansion would never run out.
Watch Hawking and Rudd in an online battle designed to explain the principles of quantum mechanics.