Summary #1310

A new thermometer measures temperature with sound
  • Hot objects produce a faint sound, caused by quick movement of particles in those objects - if our ears could hear it, it would sound like radio static.
  • A new device, based on a one-square-millimeter sheet of silicon nitride, carries sound waves better than air.
  • The device can sense the energy of heat-generated sound coming off nearby hot objects.
  • It was tested by placing blobs of an epoxy material near the device, proving that the hotter the blob, the more the device vibrated.
  • In the future it could potentially be used in quantum computing devices.


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