For most of the 20th century, the paradigm of wireless communication was a radio station with a single high-power transmitter. As long as you were within 20 miles or so of the transmitter, you could pick up the station.
Computer Sciences
Apr 12, 2011
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(AP) -- A one-eyed documentary filmmaker is preparing to work with a video camera concealed inside a prosthetic eye, hoping to secretly record people for a project commenting on the global spread of surveillance cameras.
Hi Tech & Innovation
Mar 11, 2009
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If a base station in a local area network tries to use a directional beam to transmit a signal to a user trying to connect to the network—instead of using a wide area network broadcast, as base stations commonly do—how ...
Optics & Photonics
Apr 27, 2021
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Researchers from North Carolina State University have developed new technology and techniques for transmitting power wirelessly from a stationary source to a mobile receiver – moving engineers closer to their goal of creating ...
Engineering
Nov 14, 2013
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Scientists are reporting development of the first self-powered nano-device that can transmit data wirelessly over long distances. In a study in ACS's journal Nano Letters, they say it proves the feasibility of a futuristic ...
Nanophysics
Jun 15, 2011
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Nothing kills innovation like having to reinvent the wheel. Imagine how dull your diet would be if you had to build a new stove and hammer out a few cooking pots every time you wanted to test a new recipe. Until just a couple ...
Engineering
Jan 29, 2009
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The average, everyday person might not be familiar with gallium nitride, also known as GaN, but there is a good chance they've heard of silicon, a semiconductor that's been used for decades and found in every computer and ...
Electronics & Semiconductors
Jun 8, 2017
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Arash Moradi and Mohamad Sawan from Polytechnique Montreal in Canada discuss their new low-power VCO design for medical implants. This oscillator was implemented to provide the frequency deviation of frequency-shift-keying ...
Electronics & Semiconductors
Oct 24, 2014
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She is a captive bred Sumatran orangutan. He is a neuroscientist specialising in cognitive and sensory systems research. With the help of specially adapted eye tracking equipment they are hoping to explain some of the mysteries ...
Plants & Animals
Nov 27, 2012
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(Phys.org)—If two birds meet deep in the forest, does anybody hear? Until now, nobody did, unless an intrepid biologist was hiding underneath a bush and watching their behavior, or the birds happened to meet near a research ...
Plants & Animals
Sep 20, 2012
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