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Student innovators build a pocket-sized pen-drive sanitizer that disinfects surfaces in 3 seconds

The Optimist Citizen reports a pen-drive device, called UV Astra, emits a combination of UVA and UVC lights to quickly disinfect surfaces when attached to a mobile phone. The device is an instant and handy solution to sanitise belongings when we go out. Being wary of the surfaces we touch is the new normal. A door handle, an elevator button or a banknote could be carrying the virus that has held the world hostage for the past few months. So, we now need to disinfect every surface we encounter, and that usually involves wiping them with bleach or an…
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