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http://www.youtube.com/watch?v=SHKD02F_F-s Apparently there's quite a few companies out there that make this kinda special 'privacy glass' but I can't seem to find any for cars...any ideas? I'd love to get this on my car..Bet its hella expensive though.
I've also seen that for homes, and it is pricey. It does need a current going through it also IIRC. I think the current is what makes it go clear or dark.
reminds me of a show I saw. There was a restaurant that had doors like that for the restroom. As you can guess, there were some people who didn't quite get how it worked and ended up taking a dump or whatever in front of people eating, haha.