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Is there any kind of clear material that changes clarity when electricity is passed through? Answered

I mean a glass-like material that, when electricity passes through it, acts more like frosted glass. Not LCD though, because that only gets darker.

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jeff-oBest Answer (author)2011-08-09

But of course!

http://www.electricglasswall.com/

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rickharris (author)2011-08-09

Err how do you want it to change clarity?? How big?? There may be exotic materials that are not going to be cheap.

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Super_Nerd (author)rickharris2011-08-09

I wasn't intending to actually get the material. I just was wondering if such material exists. By changing clarity I mean the more current that runs through the material the more frosted the glass looks. My idea was a form of electric curtain that when the light level gets higher the window blocks more light, or if you turn on a switch no one can see through the window.

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steveastrouk (author)2011-08-09

Whether an LCD gets lighter or darker depends on the setup of its polarizers, not the technology - take a look at a welding mask sometime.

Steve

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