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Crumpling approach enhances photodetectors' light responsivity

Researchers from the University of Illinois at Urbana-Champaign have demonstrated a new approach to modifying the light absorption and stretchability of atomically thin two-dimensional (2D) materials by surface topographic ...

How WWI codebreakers taught your gas meter to snitch on you

In the depths of night on August 5th 1914 the British Cable Ship Alert took the first significant action of World War I, severing the five German submarine cables that ran through the English Channel. This operation was a ...

A homemade solar lamp for developing countries

(Phys.org) —The solar lamp developed by the start-up LEDsafari is a more effective, safer, and less expensive form of illumination than the traditional oil lamp currently used by more than one billion people in the world. ...

Personal touch signature makes mobile devices more secure

Passwords, gestures and fingerprint scans are all helpful ways to keep a thief from unlocking and using a cell phone or tablet. Cybersecurity researchers from the Georgia Institute of Technology have gone a step further. ...

Apple readies security fix for Mac after iOS flaw

Apple said Monday it was developing a security fix for its Mac OS X computer operating system after a patch released for its iPhones and iPads to thwart hacker attacks.

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