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Physicists “Slow Down Light” to Just 61 Kilometers per Hour Using Ultracold Quantum Matter
The speed of light is often regarded as the ultimate cosmic speed limit, but researchers have now managed to slow it down dramatically—to just 61 kilometers per hour. This was achieved by using a Bose ...
Dark spots within lightwaves break the speed of light in new research confirming a half-century-old prediction.
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