Even the strongest gravitational waves that pass through the planet, created by the distant collisions of black holes, only stretch and compress each mile of Earth’s surface by one-thousandth the diameter of an atom. It’s hard to conceive of how small these ripples in the fabric of space-time are, let alone detect them. But in 2016, after physicists spent decades building and fine-tuning an…
A New Tool for Finding Dark Matter Digs Up Nothing
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