High-speed imaging reveals that the squeak of soft–rigid frictional interfaces, like sneakers sliding on a basketball court, arises from intersonic opening slip pulses—analogous to earthquake ruptures—that thin ridges on the rubber confine to repeat at a musical frequency.
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В Финляндии предупредили об опасном шаге ЕС против России09:28
But the capsule suffered several technical problems during its journey to the space station, and it was deemed too risky to take the astronauts home.