Holography without Lasers: Hand-drawn Holograms [SCIENCE HOBBYIST]

http://amasci.com/amateur/holo1.html

with video Scratch-holo software A scratch-holo printer project , see the video Holograf? sin l?er CNC Drag-engraving a hologram Holowiki: scratch-o-gram Instructables: Dremel scr

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