String theory attempts to unify general relativity and quantum theory. Popular in the 1990s, string theory fell out of favor ...
Physicists searching for a better understanding of quantum gravity stumbled upon something unexpected: the defining ...
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A simple extension to general relativity explains the birth of the universe
What if the Big Bang didn't begin with a singularity? This point of infinite density, which so divides physicists, could be ...
Physicists may have uncovered a surprising new clue that string theory—the idea that the universe is built from unimaginably tiny vibrating strings—could be more than just a mathematical fantasy.
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