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MIT Discovers 'Second Sound' Revolutionizing Heat Propagation

9/9/2025

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Summary

Story summary

MIT researchers captured "second sound," where heat behaves like a sound wave, in mid-2025.
This discovery enhances our understanding of neutron stars and could advance high-temperature superconductors.
The team visualized heat movement in superfluids using lithium-6 atoms and targeted radio waves.
Professor Martin Zwierlein noted this method enables real-time tracking of heat propagation.
Future studies will investigate new superfluids and their interactions with quantum effects.

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Story summary

MIT researchers captured "second sound," where heat behaves like a sound wave, in mid-2025.
This discovery enhances our understanding of neutron stars and could advance high-temperature superconductors.
The team visualized heat movement in superfluids using lithium-6 atoms and targeted radio waves.
Professor Martin Zwierlein noted this method enables real-time tracking of heat propagation.
Future studies will investigate new superfluids and their interactions with quantum effects.