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.
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: