Causality optional? Testing the "indefinite causal order" superposition
(arstechnica.com)
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Photons that aren't actually there influence superconductivity
(arstechnica.com)
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Why is the sky blue?
(news.ycombinator.com)
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Why Is the Sky Blue?
(news.ycombinator.com)
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Scientists shine a laser through a human head
(news.ycombinator.com)
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Scientists Shine a Laser Through a Human Head
(news.ycombinator.com)
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AI comes up with bizarre physics experiments, but they work
(news.ycombinator.com)