Energy & Green Tech
The low-frequency, inaudible sounds made by wind power stations are not damaging to human health despite widespread fears that they cause unpleasant symptoms, research published in Finland on Monday said.
Jun 22, 2020
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Engineering
Engineers at Duke University have demonstrated a versatile microfluidic lab-on-a-chip that uses sound waves to create tunnels in oil to touchlessly manipulate and transport droplets. The technology could form the basis of ...
Jun 11, 2020
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Engineering
Try whispering at one end of the Echo Wall in the Temple of Heaven in Beijing. People at the far end of the curved wall will hear you from 65 meters away. This is the whispering-gallery effect. Now, researchers from Japan ...
May 26, 2020
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Electronics & Semiconductors
Waves, whether they are light waves, sound waves, or any other kind, travel in the same manner in forward and reverse directions—this is known as the principle of reciprocity. If we could route waves in one direction only—breaking ...
May 21, 2020
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Engineering
Imperial College London researchers have invented a new health tracking sensor for pets and people that monitors vital signs through fur or clothing.
Feb 25, 2020
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Consumer & Gadgets
Who knew AirPods would become so popular?
Jan 29, 2020
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Robotics
ETH Pioneer Fellow Marcel Schuck is developing a robotic gripper that can manipulate small and fragile objects without touching them. The technology is based on sound waves.
Jan 24, 2020
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Engineering
Workplaces are full of sound, most of which is not helpful to workers trying to do their jobs. Scientists are using physics to understand how conversation, music and other ambient noise is experienced by individuals in a ...
Dec 6, 2019
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Engineering
Music is an art, but it is also a science involving vibrating reeds and strings, sound waves and resonances. The study of acoustics can help scientists produce beautiful music even with musical instruments fashioned with ...
Dec 5, 2019
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Consumer & Gadgets
It's no secret that Apple's tiny AirPods earbuds get lost—a lot.
Nov 11, 2019
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Sound is a travelling wave which is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencies within the range of hearing and of a level sufficiently strong to be heard, or the sensation stimulated in organs of hearing by such vibrations.
This text uses material from Wikipedia, licensed under CC BY-SA
