A research collaboration between Queen Mary University of London, the University of Cambridge and the Institute for High Pressure Physics in Troitsk has discovered the fastest possible speed of sound.
General Physics
Oct 9, 2020
14
9891
New research has found that bush-crickets' ear canals have evolved to work in the same way as mammals' ears to amplify sound and modulate sound pressure—and the findings could help scientists make better acoustic sensors ...
Plants & Animals
Feb 11, 2020
0
5
Biologist Jeff Podos at the University of Massachusetts Amherst, with Mario Cohn-Haft at the Instituto Nacional de Pesquisas da Amazônia, Brazil, report that they have recorded the loudest bird calls ever documented, made ...
Plants & Animals
Oct 21, 2019
2
582
A voice-recognition feature can be easily found on mobile phones these days. Oftentimes, we experience an incident where a speech recognition application is activated in the middle of a meeting or a conversation in the office. ...
Engineering
Jun 24, 2019
0
1
A team of researchers has found a way to detect trace gases down to concentrations at the parts-per-quadrillion level using a new variation on the photoacoustic effect, a technique that measures the sound generated when light ...
Analytical Chemistry
Jun 27, 2017
0
723
The ancients believed that the Earth was surrounded by celestial spheres, which produced divine music when they moved. We lived, so to speak, in a huge musical instrument. This may sound silly but modern science has proved ...
Earth Sciences
Feb 23, 2017
0
92
We know that there is sound on planets and moons in the solar system – places where there's a medium through which sound waves can be transmitted, such as an atmosphere or an ocean. But what about empty space? You may have ...
Space Exploration
Nov 24, 2016
0
40
Research Triangle engineers have developed a simple, energy-efficient way to create three-dimensional acoustic holograms. The technique could revolutionize applications ranging from home stereo systems to medical ultrasound ...
General Physics
Oct 14, 2016
2
1375
Sound can now be structured in three dimensions. Researchers from the Max Planck Institute for Intelligent Systems and the University of Stuttgart have found a way of generating acoustic holograms, which could improve ultrasound ...
General Physics
Sep 22, 2016
0
308
Acoustic-gravity waves are very long sound waves that cut through the deep ocean at the speed of sound. These lightning-quick currents can sweep up water, nutrients, salts, and any other particles in their wake, at any water ...
General Physics
Feb 29, 2016
0
77
