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For half a century, physicists have wondered whether the vacuum is actually made of particles, and falls apart under acceleration. Most physicists think it does: It is called the “Unruh effect” after Bill Unruh who developed the mathematics for it. Now, researchers say they’ve come up with a way to test this effect. Really? I’ve had a look at the paper.

Paper: https://journals.aps.org/prl/abstract/10.1103/mn34-7bj5

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#science #sciencenews #physics #vacuum