4 ms·
Holography without lasers: hand-drawn holograms
- eru 16y agoThat's way cool. I should try this. The other material on this site is also worth a look.
- makmanalp 16y agoA cool weekend project would be to come up with software that takes an image and projects it like this so it could be cnc'd on a lexan board.
- mquander 16y agohttp://3dalter.50megs.com/patterns.html http://3dalter.50megs.com/patterns.html
- po 16y agoI did this many many years ago with some old CD-cases that I had given a light coating of black spray paint on the inside. It takes a while but works like a charm.
- po 16y agoAnyone who isn't familiar with amasci should know that it's an absolute treasure trove of information. Go to the "bad physics" page and you're guaranteed to spend days there reading: http://www.amasci.com/miscon/miscon4.html http://www.amasci.com/miscon/miscon4.html http://amasci.com/miscon/elect.html http://amasci.com/miscon/elect.html Nothing ever made me feel better about not understanding certain concepts than this site.
- dimitar 16y agoThanks po and bd for sharing this site, I finally feel I understand voltage, el. current, el. devices. It is awesome!
- kwamenum86 16y agoThis is the type of thing patents were invented for!
- madmaze 16y agoThis is amazing. Blows my mind how he can have the patients to do that. I mean i can spend hours coding, but i dont think i could scratch plexiglass for hours. very cool thou!
- peterpeters 16y agoAgreed, but i still really want to give it a try