NASA has developed a wearable device and named Pulse. It warns the guy who wear it,when hand goes near to face ,it vibrates.
Corona virus is usually contracted from respiratory droplets. Touching face is also a cause of spread of the virus.
The gadget, which has been shaped like a pendant is to be worn around the neck and works the best when placed 6 inches below the chin. PULSE, which is a 3D printed device has a tiny vibration motor in place.
A video clip on how the pendant functions have been uploaded on YouTube. Here the link is
PULSE is not exactly stylish or discrete, and NASA isn’t selling the contraption. But the agency’s Jet Propulsion Laboratory made building instructions available online if you want to make one yourself.
Hope, it could prove useful for those who just can’t stop scratching their noses.
Eduindex News 
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