Low-power Wi-Fi signal tracks movement—even behind walls

The comic-book hero Superman uses his X-ray vision to spot bad guys lurking behind walls and other objects. Now we could all have X-ray vision, thanks to researchers at MIT's Computer Science and Artificial Intelligence Laboratory.

UK budget airline to test ash cloud detector

A U.K. budget airline will create an artificial volcanic ash cloud over Europe this summer to test ash detection technology. The experiment aims to avoid the kind of chaos that paralyzed air traffic during eruptions three ...

Forget about leprechauns, engineers are catching rainbows

(Phys.org)—University at Buffalo engineers have created a more efficient way to catch rainbows, an advancement in photonics that could lead to technological breakthroughs in solar energy, stealth technology and other areas ...

UK explores TV transmitter option to track aircraft

(Phys.org)—UK's Technology Strategy Board, a government agency looking for innovative ways of using technology, is funding research into a new way of locating and tracking aircraft. The research project is calling upon ...

Nanoscale impulse radar measures depth of snow and ice

Snow is the be-all and end-all for alpine ski resorts. Now a tiny sensor has been developed to determine how much cold gold there is on the slopes and how much more should be produced. The sensor is based on Norwegian radar ...

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