Floating 1,600dpi 3D projections made by pushing around flecks of cellulose and hitting them with a laser

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Originally published at: https://boingboing.net/2018/01/25/laser-etch-a-sketch.html

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I’m not able to watch the video with sound, lest I alert my office that I’m not actually doing real work, but do they explain how large they can make the images? High resolution is great, but it looks like the other drawback is that the images have to be high resolution because they’re also tiny.

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You got it, only very small images so far.

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I am absolutely certain that these particles are not “single molecules”.

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BYU: The only place left in the world that engineers wear ties.

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That’s what they did for 9/11! The planes! The planes!

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