this post was submitted on 08 Sep 2023
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First hand-drawn holograms, 1994 (vid.puffyan.us)
submitted 2 years ago by sicklemode@hexbear.net to c/science@hexbear.net
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[–] Rescuer6394 1 points 2 years ago (1 children)

how? what's the principle behind it and how he can do it by hand

[–] abc@hexbear.net 2 points 2 years ago* (last edited 2 years ago) (1 children)

Compass & plexiglass or plastic CD cases, as shown in the video.

Amateur Science doesn't seem to be hosted anymore, but here's an archived copy of the page if you wanna read the instructions: https://web.archive.org/web/20111108131359/http://amasci.com/amateur/holo1.html & https://web.archive.org/web/20111117234715/http://amasci.com/amateur/holohint.html#0

[–] Rescuer6394 2 points 2 years ago

thank you!