They’re effective at quelling the sounds of crying babies, but noise-cancelling headphones can also tune out sounds you might actually want to hear, like the horn of an approaching car as you absentmindedly step out into a busy street. To make noise-cancelling headphones safer, researchers are now teaching them to…
It won’t be long before smartphones ditch every last physical button, but is that necessarily a good thing? Fewer components in a device means more profit for manufacturers, but users are left having to learn awkward touchscreen gestures to compensate. Researchers at Columbia University are bringing back the button with…
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