Science
Quantum leap for speed limit bounds – Phys.org
Nature’s speed limits aren’t posted on road signs, but Rice University physicists have discovered a new way to deduce them that is better—infinitely better, in some cases—than previous methods.

Nature’s speed limits aren’t posted on road signs, but Rice University physicists have discovered a new way to deduce them that is betterinfinitely better, in some casesthan previous methods.
“The big question is, ‘How fast can anythinginformation, mass, energymove in nature?'” said Kaden Hazzard, a theoretical quantum physicist at Rice. “It turns out that if somebody hands you a material, it is incredibly difficult, in general, to answer the question.”
In a study published today in the Americ…
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