Researchers have demonstrated that a laser can transmit an audible message to a person without any type of receiver equipment. The ability to send highly targeted audio signals over the air could be used to communicate across ...
Optics & Photonics
Jan 23, 2019
10
1378
When it comes to flirting, animals know how to put on a show. In the bird world, males often go to great lengths to attract female attention, like peacocks shaking their tail feathers and manakins performing complex dance ...
Plants & Animals
Dec 18, 2018
0
92
When we hear the word "stereo" today, we might simply think of a sound system, as in "turn on the stereo."
Other
Dec 12, 2018
3
60
Jodrell Bank is releasing audio recordings of a Soviet space mission from fifty years ago, just as the race to the moon was approaching the finish line.
Space Exploration
Nov 14, 2018
1
13
Experienced operators claim they can tell if their machine is functioning properly merely by listening to the sounds it makes. EU-funded researchers have gone one better by developing technology based on the human auditory ...
Software
Oct 8, 2018
3
16
A team from Ruhr-Universität Bochum has succeeded in integrating secret commands for the Kaldi speech recognition system – which is believed to be contained in Amazon's Alexa and many other systems – into audio files. ...
Computer Sciences
Sep 24, 2018
0
12
As gunshots ring out in one of South Africa's most dangerous neighborhoods, a new technology detects the gun's location and immediately alerts police.
Hi Tech & Innovation
Sep 13, 2018
0
5
Spring is the time of year when birds are singing throughout the Northern Hemisphere. Far to the north, beneath the ice, another lesser-known concert season in the natural world is just coming to an end.
Plants & Animals
Apr 3, 2018
0
860
At the Hanover Trade Fair from April 23 – 27, 2018, Fraunhofer will demonstrate the prototype of a new cognitive system for the predictive maintenance of production facilities. Intelligent battery-powered acoustic sensors ...
Engineering
Apr 3, 2018
0
15
Eyewitness evidence can be critical to investigations and trials. However, research shows that eyewitness memory can be inaccurate and vulnerable to distortion depending on what happens next – for example, inaccurate information ...
Software
Apr 3, 2018
0
9
