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Samsung's Galaxy S5 is supposed to be able to measure stress, but there's something about its \"heart-rate variability\" test that just isn't very convincing. (Namely, if you enjoy a brisk walk and raise your heart-rate slightly, the phone will sometimes report an increase in \"stress.\") By contrast,

6 months ago 0 Comments
June 17, 2014 at 9:00AM
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Researchers at the University of Wisconsin-Madison have come up with a way to produce electricity from just about the most renewable source known to man -- his own breath. It's all thanks to a plastic microbelt developed by engineers Xudong Wang, Chengliang Sun and Jian Shi. Made of a material known

3 years ago 0 Comments
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There are two great mysteries of the digital age: how did a Welshman become the most powerful man in Japan and when will the Beatles be available for download on iTunes? While the former will forever remain a mystery, speculation picked up on the latter in 2006 after Apple and Apple Corps -- the re

4 years ago 0 Comments
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Although a team from Kent State already whipped up a method for turning one's PC on / off with a simple puff of air, two gurus at Georgia Tech have created a full-blown (ahem) breath-controlled user interface. The low-cost, localized blowable UI -- cleverly dubbed BLUI -- apparently utilizes a buil

7 years ago 0 Comments
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Hey, we're tired of waiting for wireless charging solutions to actually hit the market just as much as the next guy (or gal), but one inventive soul took that frustration out on a swank DIY project that elicits energy from simply breathing. We've seen the use of hot air in powering gadgets before,

7 years ago 0 Comments