Gravitational Waves Could Explain why There’s More Matter Than Antimatter in the Universe

One of the questions underpinning both philosophy and science is “why are we here”?  Ask an astrophysicist, and they might answer with an imbalance between matter and antimatter at the beginning of the universe.  While that is a (relatively) simple explanation, it then begs the question – why was there an imbalance in the first place?  Scientists have been seeking ways to test various theories regarding that imbalance but have come up empty-handed so far. Now, a team of theoretical physicists think they might have found a way to test some of those theories using gravitational waves.

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