Einstein's theory of special relativity teaches us ... when they end and how long they last? The infamous "twin paradox" showcases what living in a truly relativistic world is like.

The idea was first hypothesized about 70 years ago. In a bizarre repercussion of Albert Einstein's Special Theory of ...

And to illustrate the effect of time dilation, he proposed an example--the twin paradox--that is arguably the most famous thought experiment in relativity theory. In this supposed paradox ...

Einstein came up with an example to show the effects of time dilation that he called the "twin paradox ... about time slowing down sounds fine in theory, but how can you be sure he's right?

The twin paradox invites you to imagine a pair of identical ... which were consistent with the predictions from Einstein’s theory.