Consumer & Gadgets
In this digital era, there has been growing concern that children spend most of their playtime watching TV, playing computer games, and staring at mobile phones with 'head-down' posture even outdoors.
Jul 28, 2020
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Hi Tech & Innovation
A team of researchers at Invictus Medical has found via simulated testing that their Neoasis active noise control device is able to reduce the noise level in a neonatal intensive care unit (NICU). They have written a paper ...
Jul 17, 2020 report
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Engineering
A new device that can reduce the intensity of sound passing through open windows is presented in a proof-of-principle study in Scientific Reports. It fits into a two-panel sliding window and can decrease the perceived loudness ...
Jul 09, 2020
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Computer Sciences
We listen to music with our ears, but also our eyes, watching with appreciation as the pianist's fingers fly over the keys and the violinist's bow rocks across the ridge of strings. When the ear fails to tell two instruments ...
Jun 26, 2020
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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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140
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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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
