Tagged With batteries

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Now I'm not a baby, but I can imagine it would be really cool if my parents just knew it was diaper changing time without me crying about it and disturbing everyone within a thirty-mile radius. A team at Ritsumeikan University in Japan gets it — they're working on a urine-powered diaper sensor that can tell when it's time for a changing.

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Even if you use computers on a regular basis, you probably haven't seen a floppy disk in close to a decade. Their limited storage capacity is laughable by today's standards, but that's not to say floppy disks are completely useless yet. At least not if you cram one full of batteries.

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On Wednesday, web developer Rick Bross was faced an unusual problem. His electric skateboard's battery malfunctioned, filling his entire apartment with smoke and scaring the hell out of his roommate. The incident was just one of two recent cases involving Boosted Boards, a brand of electric skateboards, where the batteries spontaneously "vented", a non-technical term used by the company to describe an electrical engineering problem also known as thermal runaway that causes batteries to overheat and potentially explode.

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Need yet another reason not to vape? A nightclub owner in Toulouse, France, was sent to the hospital with severe burns after a spare battery for his e-cig suddenly exploded in his jacket pocket, spraying fire and sparks while melting part of his coat to his finger as he attempted to remove it.

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If you find yourself having to fix a plumbing leak in the middle of the night, the last thing you want is your work light falling over in the middle of the job. So Ridgid's new task light, which looks like a floating buoy, features a rounded, weighted base ensuring that even if it does get knocked over, it will automatically stand back up again.

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You'd expect that Alan Noble, Google's engineering director for Australia and New Zealand, would be a bit of a tech-head. And yes, he is: he's just had an off-the-grid solar and battery energy storage system set up at his rural South Australian property, using cells designed by Aussie company Redflow for a much lower cost than actually connecting the entire property to the national energy grid.

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Want a drone to fly longer and farther? Give it a bigger battery. But that adds weight, which in turn reduces the drone's flight time. It's quite a conundrum. It seems like an unresolvable catch-22, except that someone has finally found a way to use wireless power to keep a drone flying.