To measure how people respond to masks, an Italian research created the world’s first “social distancing belt:” a $30 contraption that looked like a grey handbag but measured the proximity of oncoming objects, or, in this case, people.
To measure how people respond to masks, an Italian research created the world’s first “social distancing belt:” a $30 contraption that looked like a grey handbag but measured the proximity of oncoming objects, or, in this case, people.