Over the past couple of years, disposable face masks have become a very plentiful form of garbage. There may actually be a use for them, however, as recent research shows that they could strengthen ...

Add Yahoo as a preferred source to see more of our stories on Google. As the use of facemasks continues to be widespread in Japan, some women are selling their used masks with lipstick stains online.

Add Yahoo as a preferred source to see more of our stories on Google. "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." These days, technology is ...

Next, the masks are compressed and heated to 140 °C (284 °F), forming conductive “pellets” that work as the electrodes of a battery. These are separated by an insulating layer that’s also made of old ...