ScienceDaily: Computers and Internet News

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Laser pulse turns glass into a metal: New effect could be used for ultra-fast logical switches Posted: 26 Aug 2014 07:08 AM PDT For tiny fractions of a second, quartz glass can take on metallic properties, when it is illuminated be a laser pulse. This has been shown by new calculations. The effect could be used to build logical switches which are much faster than today's microelectronics.

Better than CAPTCHA: Improved method to let computers know you are human Posted: 25 Aug 2014 03:55 PM PDT Researchers are investigating game-based verification that may improve computer security and reduce user frustration compared to typical "type-what-you-see" CAPTCHA tools that use static images.

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