A flexible detector for terahertz frequencies (1000 gigahertz) has been developed by Chalmers researchers using graphene transistors on plastic substrates. It is the first of its kind, and can extend the use of terahertz ...
Nanomaterials
Oct 31, 2017
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807
(Phys.org)—It's relatively simple to build a device capable of detecting wireless signals if you don't mind making one that consumes lots of power. It's not so easy to design energy-efficient devices that function as well ...
Electronics & Semiconductors
Feb 7, 2013
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0
(AP) -- Hackers on Wednesday again targeted a California transit agency that came under fire last week for turning off cell phone service in its stations to thwart a potential protest.
Internet
Aug 17, 2011
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0
When the Federal Communications Commission worked out the rules last fall to convert unused TV channels for a new long-range, wall-piercing version of Wi-Fi, Houston resident Leticia Aguirre had no way of knowing that she'd ...
Telecom
Apr 19, 2011
7
0
Physical attacks on devices connected to the Internet can be detected by analysing WiFi signals, computer scientists have discovered.
Telecom
Dec 18, 2015
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1370
With the PlayStation Vita, Sony has attempted to infuse a traditional handheld game machine with some of the smartphone and tablet features that have made gaming on those devices so popular lately.
Consumer & Gadgets
Mar 9, 2012
6
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University of Utah engineers who built wireless networks that see through walls now are aiming the technology at a new goal: noninvasively measuring the breathing of surgery patients, adults with sleep apnea and babies at ...
Engineering
Sep 19, 2011
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0
The recent release of Microsoft's Windows 8 has sparked a revolution in PC design. Computer manufacturers are developing "convertible" computers, which typically include touch-screen displays that can be used with or separate ...
Consumer & Gadgets
Dec 12, 2012
1
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Samsung Electronics said Monday it had successfully tested super-fast fifth-generation (5G) wireless technology that would eventually allow users to download an entire movie in one second.
Telecom
May 13, 2013
7
0
A group of scientists from the University of Gothenburg and the Royal Institute of Technology (KTH), Sweden, have become the first group in the world to demonstrate that theories about nanoscale spin waves agree with observations. ...
Nanophysics
Sep 7, 2011
10
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