In most materials, heat prefers to scatter. If left alone, a hotspot will gradually fade as it warms its surroundings. But in rare states of matter, heat can behave as a wave, moving back and forth somewhat like a sound wave ...
General Physics
Feb 8, 2024
0
2897
Experiments with single-photon detectors have revealed surprising statistics of light created via interactions with high-frequency sound waves.
Optics & Photonics
Nov 8, 2023
0
5
The potential of an ultrafast form of transmission electron microscopy to measure sound waves in nanostructures has been demonstrated by three RIKEN physicists. This could help realize a high-resolution imaging method that ...
Nanophysics
Aug 1, 2023
0
688
Scientists from the University of Tsukuba obtained a new theoretical equation for the propagation of ultrasonic waves through liquids containing encapsulated bubbles. They found that including the compressibility of the bubble ...
General Physics
Jun 2, 2023
0
511
Did you know that wires can be used to ionize air to make a loudspeaker? Simply put, it's possible to generate sound by creating an electric field in a set of parallel wires, aka a plasma transducer, strong enough to ionize ...
General Physics
May 22, 2023
0
96
Researchers at Aalto University have discovered a new way to use biowaste to provide sound absorption and thermal insulation.
Materials Science
May 4, 2023
0
3
Mobile phone batteries with a lifetime up to three times longer than today's technology could be a reality thanks to an innovation led by engineers at RMIT University.
Nanomaterials
Jan 24, 2023
0
152
Hovering over a target helps giant-faced Great Gray owls pinpoint prey hidden beneath as much as two feet of snow.
Plants & Animals
Dec 3, 2022
0
36
Medical imaging techniques provide a unique view inside the body and are invaluable for diagnosis and disease monitoring. From X-ray, over MRI to ultrasound, the field is vast and diverse. When imaging biological tissue, ...
Optics & Photonics
Feb 17, 2022
0
14
Researchers from Clemson's Nanomaterials Institute (CNI) are one step closer to wirelessly powering the world using triboelectricity - a green energy source.
Nanomaterials
Feb 5, 2018
0
256
