Face masks are only effective as long as they provide a proper fit around the wearer’s mouth and nose, so to help ensure a mask is always doing its job properly, even at the end of a long shift, ...
About the size of a quarter, FaceBit clips onto any mask with a small magnet. Northwestern University. Story at a glance Engineers at Northwestern University have developed a sensor that could help ...
The masks were time-consuming for the small company, which custom-made about half the masks it sold. For those, the engineers had people scan their faces with an iPhone app and made 3D-printed molds ...
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