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Re: I want this....Seriously, someone tell me how to make this
Very simple. You put your license plate within a sealed (airtight) chamber filled with argon gas. You then run an electric current to the chamber. When you hit the switch, it "tints" the chamber.
The Washington Monument had this in its elevators when work was contracted out to restore the brick on the inside of the structure. Work would be done in a certain area, and the elevator windows would do that.
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