Einstein came up with an example to show the effects of time dilation that he called the "twin paradox ... to Einstein's special theory of relativity, objects gain mass as they accelerate ...

Black hole singularities should not exist, according to theories of quantum mechanics. New tweaks to Einstein's equations of general relativity could finally do away with them, and explain what truly ...

"One sees in this paradox the germ of the special ... of Einstein's special theory of relativity. Related stories How does your space-traveling twin age compared to you? Let's say you have a ...

Groundbreaking theories from Einstein’s relativity challenge our conventional ... The grandfather paradox The grandfather paradox is a classic logical problem associated with time travel to ...

What are the chances?! The twin paradox invites you to imagine a pair of identical twins who decide to take part in an experiment. They decide that twin A is going to remain on Earth, while twin B ...

General Relativity Quantum mechanics and general ... his attempt to unravel the mysteries of the black hole information paradox. According to standard quantum theory, information cannot be destroyed.

Einstein’s general theory of relativity is an undoubted work of genius. Yet 100 years on, it still raises many questions – and physicists continue to look for something better Download the app ...