Security
You might think your smartphone or laptop is relatively safe from cyber attacks thanks to anti-virus and encryption software. But your devices are increasingly at risk from "side-channel" attacks, where an intruder can bypass ...
Mar 28, 2017
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580
Electronics & Semiconductors
Acoustic resonators are everywhere. In fact, there is a good chance you're holding one in your hand right now. Most smart phones today use bulk acoustic resonators as radio frequency filters to filter out noise that could ...
Oct 25, 2023
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55
Security
Have you ever seen a dark shape out of the corner of your eye and thought it was a person, only to breathe a sigh of relief when you realize it's a coat rack or another innocuous item in your house? It's a harmless trick ...
Sep 25, 2023
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42
Engineering
Even though robots don't have eyes with retinas, the key to helping them see and interact with the world more naturally and safely may rest in optical coherence tomography (OCT) machines commonly found in the offices of ophthalmologists.
Mar 29, 2022
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117
Computer Sciences
Advances in computer-generated imagery have brought vivid, realistic animations to life, but the sounds associated with what we see simulated on screen, such as two objects colliding, are often recordings. Now researchers ...
Aug 6, 2018
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494
Engineering
From large-scale submarines to solo divers, safe passage through shallow waters represents a common navigational challenge. But recently, researchers from Japan have achieved centimeter-scale accuracy in the acoustic positioning ...
May 26, 2022
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146
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 9, 2020
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7
Machine learning & AI
Computers can be trained to better detect distant nuclear detonations, chemical blasts and volcano eruptions by learning from artificial explosion signals, according to a new method devised by a University of Alaska Fairbanks ...
Jul 22, 2022
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83
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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93
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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297
