A handheld laser likened to a Star Wars lightsabre and so powerful it can instantly blind and "set fire to skin and other body parts" can be bought online and shipped to the UK. The device - with a beam 1,000 times stronger than sunlight on the skin - is touted by makers as "the most dangerous laser ever created". Laser safety expert John Colton, director of Lucid Optical Services, told Sky News Online that the lasers were "horrendously dangerous. http://www.lucidos.co.uk/
Scientists unveil starfish-inspired wearable tech for heart monitoring
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When we move, it's harder for existing wearable devices to accurately track
our heart activity. But researchers found that a starfish's five-arm shape
help...
8 hours ago
