A mirror that moves mid-photon could release a shower of new photons.
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Solution to Feynman's reverse sprinkler puzzle also applies to "silly sprinklers"
New study confirms 2024 "momentum flux theory" on how angular momentum of water flows drives rotation.
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Quantum error correction can constantly recalibrate a processor
Reinforcement learning uses error information to adjust control algorithms.
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An orbiting disco ball gave Einstein’s theory its most precise test yet
The Earth may not be that massive, but it still distorts space-time.
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