Scientists at ETH Zurich have developed a special coating that prevents the lenses in glasses from fogging up. Apparently, not all heroes wear capes. This has been a problem since the advent of optical lenses, but it’s fair to say it reached a peak during the pandemic when everyone wearing glasses found out the hard way that most face masks vent your breath up towards your eyes. You’d think someone would have fixed this by now, but it’s harder than you might guess. The difficulty of the problem is evident by the lack of current solutions. You can wipe your glasses off when they fog up…

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