Mechanically Actuated Optical Surfaces for Switchable Appearances on 3D Objects | Hacker News

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		Mechanically Actuated Optical Surfaces for Switchable Appearances on 3D Objects (csail.mit.edu)
		2 points by stefanv 6 days ago \| hide \| past \| favorite \| 1 comment

		help

stefanv 6 days ago [–]

And a video demonstration/explanation https://youtu.be/KJK-DvgmRNs?is=k5HtcI5fsvnMAIyY

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