Holograms on Chocolate

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This is incredibly cool. Using (mostly) common household tools and chemicals and a significant amount of effort, Ben (who already built himself a home electron microscope, as you do) demonstrates how you can etch a hologram directly into chocolate, resulting in a completely edible hologram. I’d never even thought before about the fact that a hologram could be embossed into almost any opaque surface before, so this blew my mind. In hindsight it makes perfect sense, but it still looks like magic to see it done.

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