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Signal

SPY GEAR

Spy vs spy – wireless camera detector lets you sleep easy or play hard (in privacy)

By Jeff Salton

23:25 November 23, 2009 PST

The Chinavision CMVM-J19 spy camera and Wi-Fi detector

If you don’t trust that shifty-looking night supervisor at the motel or the suspicious-looking smoke detector in your room, or if you just value your privacy, help could be at hand. A quick scan of your room or surrounds with the Chinavision CVMV-J19 Spy Wi-Fi Signal and Camera Lens Detector should let you sleep easy or play hard – in privacy (I guarantee there are a few celebrities who wish they had one). Read More

RESEARCH WATCH

Newly theorized active cloaking could achieve broadband invisibility

By Dario Borghino

18:41 August 24, 2009 PDT

With active cloaking, three devices placed around an object neutralize and later rebuild t...

Mathematicians at the University of Utah have recently announced they have elaborated an innovative way to shield two-dimensional objects from all types of waves, from electromagnetic to those caused by natural events like earthquakes and tsunamis, leading the way to a completely new approach to achieving invisibility. Read More

URBAN TRANSPORT

Spooklight signals your cycling intentions with a wireless indicator and brake light

By Darren Quick

22:20 August 13, 2009 PDT

The Spooklight wireless indicator and brake light

City cycling is an activity fraught with danger but cyclists’ safety can be enhanced by increasing their visibility and also by signaling their movements to fellow road-users. Options such as the Safe Turn Indicator help in that department but now there’s a new product called the Spooklight that could achieve the same feat without the need to strap LED lights to your wrists. Read More

RESEARCH WATCH

Tiny MEMS devices to filter, amplify electronic signals

By Jeff Salton

18:42 August 13, 2009 PDT

Prof Jeffrey Rhoads and graduate student Venkata Bharadwaj Chivukula have created a new ME...

Researchers are developing a new class of tiny mechanical devices, made up of vibrating structures the thickness of a human hair, that could be used to filter electronic signals in cell phones and other applications. Only the size of a grain of sand, these microelectromechanical systems (MEMS) will, nonetheless, improve performance and reduce power usage. Read More

ELECTRONICS

PowerFlare LED safety lights offer safe alternative to chemical emergency flares

By Alan Brandon

16:44 June 3, 2009 PDT

PowerFlare PF-200 LED safety light

PowerFlare’s PF-200 electronic LED safety light is not your average roadside flare. Invented by Ken Dueker, a former police officer and PowerFlare’s CEO, the PowerFlare PF-200 replaces chemical flares with a reusable, non-combusting alternative. Each PF-200 features a 360-degree LED array protected by a ruggedized plastic housing that can withstand the weight of a fire truck. Read More

 
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