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August 14, 2016

14
Aug
2016

“Black rectangle” uses the sun to make water safe to drink

The nanostructured device uses visible light to kill bacteria within just 20 minutes

If you're trying to kill bacteria in tainted water, one of the best ways is simply to leave that water in a clear bottle in direct sunlight, letting the ultraviolet rays do the work. That said, this method can take six to 48 hours to be fully effective. Instead, scientists at the US Department of Energy's SLAC National Accelerator Laboratory and Stanford University have developed a quicker alternative. It's a sun-activated device that kills 99.999 percent of bacteria in just 20 minutes.

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Category: Science

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14
Aug
2016

Daily Deals: $100 iTunes gift card for $85, $400 off MacBook Pro, and more

iDB’s Daily Deal post is a roundup of our favorite deals on tech and tech-related products from around the web. This includes everything from smartphones, tablets and accessories, to connected devices and even video games. Every deal you see below has been hand-picked based on a variety of factors including personal experience, online reviews from customers and experts, and […]

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