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A comment on Ultrathin Metasurface Displays Take Aim at the LCD. Parent comment

Re:Ultrathin Metasurface Displays Take Aim at the LCD by klondike_ on Tuesday March 14, 2023 @01:30PM (#35155134)
>Even if it just switched the mirror between reflecting and not, I think it would be cool.

This is basically how DLP projectors work

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