2 teens invented a genius way to stop the spread of bacteria on bathroom door handles
from Business Insider
The thought of touching a door handle in a public restroom is cringe-inducing. If everyone doesn't wash their hands after doing their business, some germs could be hanging around to get passed on and spread diseases. To nip that possibility in the bud, two teens from Hong Kong figured out a sophisticated and cheap way to make a door handle that disinfects itself, automatically.
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