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Arm band technology converts body heat to energy

Researchers at South Korea’s KAIST university have developed a flexible thermoelectric generator that can convert body heat to power. (Credit: KAIST) What if you never had to charge your wearable tech — because it was able to harvest your body heat to run? That could soon be possible, thanks to a device developed by researchers at KAIST, led by electrical …

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Is the Samsung Galaxy S5 really worth the extra cash?

Buying last year’s model often pays off when you’re shopping for a new car. It can also save you big bucks when you’re looking for a new smartphone. Indeed, Samsung’s Galaxy line provides a good example. The company released its new Galaxy S5 on Friday on all four major wireless networks. But despite a couple of much-talked-about new features, most …

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