(PhysOrg.com) -- Communication is a vital part of any task that has to be done by more than one individual. That is why humans in every corner of the world have created their own complex languages that help us share the goal. ...
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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Imagine a loudspeaker is placed in a room with a few microphones. When the loudspeaker emits a sound impulse, the microphones receive several delayed responses as the sound reverberates from each wall in the room. These first-order ...
Mathematics
Feb 6, 2020
0
7
Six authors have described their work in harvesting energy in a paper titled "Ultrathin, Rollable, Paper-Based Triboelectric Nanogenerator for Acoustic Energy Harvesting and Self-Powered Sound Recording." Translation: A paper ...
Here's a consumer electronics riddle: What's the opposite of the iPad? Answer: the Livescribe Echo "smartpen." It's as if Livescribe and Apple both looked at the old pen-and-pad combination, but completely disagreed on how ...
Consumer & Gadgets
Sep 14, 2011
8
0
Blind people sometimes develop the amazing ability to perceive the contours of the room they're in based only on auditory information. Bats and dolphins use the same echolocation technique for navigating in their environment.
Engineering
Jun 17, 2013
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There have been some rumblings recently about smartphone apps using your phone's microphone to collect data on your TV- and movie-watching choices.
Security
Jan 12, 2018
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Google on Wednesday gave the world a glimpse of its vision for letting people look at life through Internet-tinted glasses.
Hi Tech & Innovation
Apr 4, 2012
34
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Apple's iPhone 4 is a beautiful device, one of the nicest in the growing field of amazing smartphones on sale this summer. The software gives its touch-screen controls a buttery smoothness, plus a few handy new features. ...
Consumer & Gadgets
Jul 15, 2010
5
0
(PhysOrg.com) -- Some of you may recall the moaning mouth bot. This bot, which is basically a disembodied mouth that first came to the public attention for making a series of moaning noises that were truly worthy of a zombie ...
