Back in March, it was reported that Sharp was converting one of their TV factories to produce face shields. Now it appears they’ve used their LCD screen know-how to develop a manufacturing trick for face shields: Producing transparent plastic sheets that are “finely rough,” which makes it harder for water droplets to stick to them.
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This means that when exposed to steam, as seen in this side-by-side demo with a regular face shield, they do not fog up:
It also means the masks will reduce glare. In the video below, you can see the demo–along with a higher-end face shield they’re selling that features a willowy titanium headband: