 LiveScience.com | How to Test the Twin Paradox Without Using a Spaceship (Op-Ed) LiveScience.com Forget about anti-ageing creams and hair treatments. If you want to stay young, get a fast spaceship. That is what Einstein's Theory of Relativity predicted a century ago, and it is commonly known as “twin paradox”. Imagine two twins. They are ... How to test the twin paradox without using a spaceship |
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