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MIT physicists captured the first images of second sound, a wave-like heat behavior in superfluids, using a heat-mapping technique and radio frequencies.
MIT physicists have captured the first-ever images of the second sound, a wave-like heat behavior in superfluids created by cooling a cloud of atoms to extremely low temperatures.
They used a heat-mapping technique and radio frequencies to observe how heat moves like a wave in this special state of matter and "sloshes" back and forth.
This phenomenon, where heat flows like a wave, was predicted but not yet directly observed.
With this discovery, scientists can now better understand how heat moves in superfluids and other related materials, including superconductors and neutron stars.
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Los físicos del MIT capturaron las primeras imágenes del segundo sonido, un comportamiento de calor similar a una onda en superfluidos, utilizando una técnica de mapeo de calor y frecuencias de radio.