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The idea is a little far-fetched, sure, but it's worth hearing out. These hypothetical particles, known as tachyons, aren't likely to be real — but they're not some hokey bit of sci-fi, either. The potential for their existence is something physicists have been giving serious thought for decades, raising fundamental questions about the nature of causality.
Without it, the sheer gravity of all the mass in the universe would eventually slow down its expansion. Instead, scientists have observed the rate of expansion is actually accelerating — driven by, it's hypothesized, dark energy. These distinct supernovae serve as standard candles, cosmic objects with a known luminosity that allow astronomers to use as a reference point to calculate distances in space. It was by using Type Ia supernovae as standard candles, in fact, that scientists first confirmed that the expansion of the universe was accelerating.
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Is the universe really a 'dark forest' full of hostile aliens in hiding?We have no good reason to believe that aliens have ever contacted Earth. Sure, there are conspiracy theories and some rather strange reports about harm to cattle, but nothing credible. Physicist Enrico Fermi found this odd.
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How To Transition From A Full-Time Mom To Full-Time Career WomanI am the Founder and CEO of Wonder Woman Writer, LLC, a freelance writer, stand-up comic, and proud mompreneur to two boys, one with special needs. I have written pieces for Time, Parents, Huffington Post, and ScaryMommy and have been featured in Self, Fast Company, Medium, and more.
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Physicists Have Uncovered a New Spin Phase in Quantum MaterialsScience, Space and Technology News 2024
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