If you've ever wished for a quieter commute, you may be in luck: The low-emission electric vehicles of tomorrow are expected to lower noise pollution as well as air pollution. In Europe, and across the world, the prospect ...
Engineering
May 13, 2019
0
10
In the past several decades, militaries have worked hard to develop technologies that simultaneously protect infantry soldiers' hearing and aid in battlefield communication. However, these advanced Tactical Communication ...
General Physics
May 13, 2019
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13
During World War I, William Lawrence Bragg led a team of engineers in the development of an acoustic method to locate enemy artillery, work that was so successful that it was soon used widely throughout the British army.
General Physics
May 13, 2019
0
113
Beatboxing is a musical art form in which performers use their vocal tract to create percussive sounds. Sometimes individual beatboxers perform as a part of an ensemble, using their vocal tracts to provide beats for other ...
General Physics
Nov 7, 2018
0
111
A crucial part of studying southern resident killer whales is finding them and quickly alerting experts to send boats out to collect fecal samples or prey fragments to better understand what the whales are eating.
Plants & Animals
Nov 6, 2018
0
12
Moths are a mainstay food source for bats, which use echolocation (biological sonar) to hunt their prey. Scientists such as Thomas Neil, from the University of Bristol in the U.K., are studying how moths have evolved passive ...
Plants & Animals
Nov 6, 2018
1
1043
A piranha's bite is definitely worse than its bark, but the bark has uses too. A new study of the sounds made by piranhas in the Amazon finds that their underwater "barks" are an effective tool for identifying different species ...
Ecology
Nov 6, 2018
0
20
With thousands of fans clapping, chanting, shouting and jeering, college basketball games can be almost deafeningly loud. Some arenas have decibel meters, which, accurately or not, provide some indication of the noise volume ...
General Physics
Nov 5, 2018
0
11
The western Canadian Arctic's natural underwater soundscape has been shielded from the din of commercial shipping by the sea ice that covers the area, rendering it mostly inaccessible to shipping vessels. But with large amounts ...
Environment
Nov 5, 2018
0
13
Cloaking devices play a pivotal role in many sci-fi television programs. Scientists are now working to take this technology from the dramatic realm of science fiction and make it real. Amanda D. Hanford, at Pennsylvania State ...
General Physics
May 10, 2018
4
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