Given the right circumstances, it is possible for sound to travel through a perfect vacuum.
Given the right circumstances, it is possible for
sound to travel through a perfect vacuum. Now two physicists have worked out what those conditions need to be. Zhuoran Geng and Ilari Maasilta of the University of Jyväskylä in Finland say their findings represent the first rigorous proof of complete acoustic tunneling in a vacuum.capable of turning movements into voltages . The objects need to be separated by a gap that's smaller than the wavelength of the sound you want to send, which will then completely jump – or 'tunnel' – across that space.
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