MIT Scientists Discover Heat Behaves Like Sound Waves In A 'Rare State Of Matter' - News18
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Scientists from MIT have discovered that in certain states of matter, heat can behave like a sound wave, a phenomenon known as the 'second sound'. This behavior has only been observed in a few materials. The researchers used particles that repel each other and created a superfluid state of matter where atoms have no friction. They observed that heat and matter 'slosh' against each other, creating oscillations similar to sound waves. The study, led by Martin Zwierlein, a professor of Physics at MIT, helps scientists understand the nature of heat in superfluids and other related materials.

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