Optical diffraction patterns and almost-holograms made with a MOPA laser engraving machine [22:16]

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Optical diffraction patterns and almost-holograms made with a MOPA laser engraving machine [22:16]

www.youtube.com

ProdigalFrog@slrpnk.netM to

MealtimeVideos Cafe@lemmy.cafeEnglish · 13 days ago

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Not too short, not too long. Videos to last through your meal.

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