Researchers at the National Institute of Standards and Technology (NIST) have conducted the first demonstration of a faster and more accurate way to calibrate certain kinds of microphones.
General Physics
Sep 8, 2021
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18
Stanford physicists have developed a "quantum microphone" so sensitive that it can measure individual particles of sound, called phonons.
Quantum Physics
Jul 27, 2019
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An international team of researchers affiliated with UNIST has presented an innovative wearable technology that turns the user's skin into a loudspeaker. This breakthrough was led by Professor Hyunhyub Ko in the School of ...
Engineering
Sep 19, 2018
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62
Scientists have recorded thousands of hours of "clicks" that sperm whales make to forage for food and communicate, helping them better understand the behaviour of one of the Southern Ocean's key predators.
Plants & Animals
Apr 10, 2018
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82
Researchers report in a new study that they've documented rumblings of volcanic thunder for the first time, a feat considered nearly impossible by many volcanologists.
Earth Sciences
Mar 15, 2018
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166
Would you want a spider web inside your ear? Probably not. But if you're able to put aside the creepy factor, new research from Binghamton University, State University of New York shows that fine fibers like spider silk actually ...
Condensed Matter
Oct 30, 2017
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63
Microphones, from those in smartphones to hearing aids, are built specifically to hear the human voice—humans can't hear at levels higher than 20 kHz, and microphones max out at around 24 kHz, meaning that microphones only ...
Engineering
Jun 23, 2017
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Scientists have developed a graphene based microphone nearly 32 times more sensitive than microphones of standard nickel-based construction.
Nanomaterials
Nov 26, 2015
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North Carolina State University researchers have developed technology that allows cyborg cockroaches, or biobots, to pick up sounds with small microphones and seek out the source of the sound. The technology is designed to ...
Robotics
Nov 6, 2014
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0
(Phys.org) —Researchers exploring smartphone security vulnerabilities are increasingly turning to information about smartphone sensors as pathways to security breach. Earlier this year, a Stanford University team warned ...
