h a l f b a k e r y"More like a cross between an onion, a golf ball, and a roman multi-tiered arched aquaduct."
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They do this at football games, one little square per seat. |
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I don't think butterfly wings are a great analogy for changing displays. Unless... maybe I was understanding you wrong - you want to change colour by making each pixel into a little flap which turns? I think that would be a struggle - even if all the little wings could turn just right, you'd only see the 'right' colours from one point. |
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There are display panels that move little coloured particles around. Not exactly like how either octopi and squid or chameleons do it, but still, a physical movement affecting the display. E-paper displays, they're called. |
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OK I read [xaviergisz's (how do you say that in English) link. |
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Its a bake of this idea, using structural coloration. So it has been done! |
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Hi pashute (which I always thought of as a child-like pronunciation of parachute). My username is just my name, Xavier Gisz. My parents liked the symmetry of a first name starting with the same sound as the ending of my surname. |
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The paper I linked has a wonderful range of examples. I had assumed from your description that each pixel was a micro-acuator which squeezed the photonic crystal to change its colour. One of the references in the paper (from memory it was reference [90]) seemed that it might disclose this, but it was behind a paywall so I'm not sure. |
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