One of the major drawbacks of a face mask is that it hides the wearer’s smile. Baltimore-based ClearMask LLC has solved that problem by developing a transparent mask that reveals a person’s facial ...
Experts at Hong Kong Lingnan University have created a new transparent face mask which they say enables barrier-free communication. While it's a breakthrough for the hearing impaired who may need to ...
As mask-wearing becomes the new norm around the world, researchers from the EPFL and Empa in Switzerland have come up with a way to improve at least one of the many challenges of wearing face ...
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