See-through-wall surveillance with WiFi shown at UCL

(Phys.org) -- A surveillance device that uses WiFi radio waves has been devised to see through walls to detect, in military and surveillance parlance, moving personnel targets. The device serves as a radar prototype designed ...

Dark Energy Camera unveils small objects in solar system

The 570-megapixel Dark Energy Camera, built at DOE's Fermilab and mounted on the 4-meter Victor Blanco Telescope in Chile, delivers some of the most detailed images of celestial objects. While about a third of the camera's ...

Extraterrestrial impact preceded ancient global warming event

In a new study, scientists say they have found evidence along the New Jersey coast that an extraterrestrial object hit the earth at the same time a mysterious release of carbon dioxide suddenly warmed the planet, some 55.6 ...

New scheme for quantum computing

(Phys.org) —Tom Wong, a graduate student in physics and David Meyer, professor of mathematics at the University of California, San Diego, have proposed a new algorithm for quantum computing, that will speed a particular ...

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