NASA develops 3D-printed necklace to help people avoid face-touching
Image Credit: Twitter
The uncontrolled outbreak of COVID-19 has gotten everyone worried. There is no sign of a vaccine and the only way to protect oneself is by washing hands regularly, avoiding close human contact, and refraining from face-touching. The latter is deemed particularly important in prevention, and now, to make that happen, NASA has created a novel 3D-printed 'warning' necklace.