(Phys.org)—Over the past decade, research on wireless power transfer has led to the development of several commercial applications, such as wireless charging of mobile devices and electric toothbrushes, as well as wireless ...
(Phys.org) —Wi-Fi makes all kinds of things possible. We can send and receive messages, make phone calls, browse the Internet, even play games with people who are miles away, all without the cords and wires to tie us down. ...
Engineering
Aug 6, 2014
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Researchers at MIT have proposed a new system that combines ferroelectric materials—the kind often used for data storage—with graphene, a two-dimensional form of carbon known for its exceptional electronic and mechanical ...
Nanophysics
Jun 21, 2013
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(PhysOrg.com) -- Purdue University researchers have developed a miniature device capable of converting ultrafast laser pulses into bursts of radio-frequency signals, a step toward making wires obsolete for communications ...
Optics & Photonics
Mar 3, 2010
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(PhysOrg.com) -- Ultra-high-speed wireless connectivity - capable of transferring 15 gigabits of data per second over short distances - has taken a significant step toward reality. A recent decision by an international standards ...
Engineering
Jan 15, 2009
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Researchers at the University of Sydney Nano Institute have invented a compact silicon semiconductor chip that integrates electronics with photonic, or light, components. The new technology significantly expands radio-frequency ...
Optics & Photonics
Dec 1, 2023
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144
An improvement to a Nobel Prize-winning technology called a frequency comb enables it to measure light pulse arrival times with greater sensitivity than was previously possible—potentially improving measurements of distance ...
Optics & Photonics
Oct 24, 2022
0
13
Anyone who has tried to make a cell phone call from a crowded football stadium has had a taste of what engineers call spectrum crunch.
Telecom
Oct 3, 2013
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0
(Phys.org) —Major bridge failures in recent years have focused attention on the need to monitor America's highway bridges and other infrastructure. As thousands of bridges, parking garages and other structures age, improved ...
Engineering
Apr 17, 2013
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Looking for an item in a large department store or mall can be like searching for a needle in a haystack, but that could change thanks to a hybrid location-identification system that uses radio frequency transmitters and ...
Engineering
Jan 26, 2012
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