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May 19, 2022

Holographic Chocolates Look As Beautiful As They Taste

Posted by in categories: holograms, security

Circa 2014


For most of us, even one bite of chocolate is enough to send our taste buds into ecstasy. Now, scientists have concocted a process to make these dark, dulcet morsels look as decadent as they taste.

Switzerland-based company Morphotonix has given traditional Swiss chocolate-making a colorful twist: It’s devised a method to imprint shiny holograms onto the sweet surfaces — sans harmful additives. Which means when you tilt the goodies from side to side, rainbow stars and swirly patterns on the chocolate’s surface dance and shimmer in the light.

Typically, holograms are laser-imprinted onto a flat, metallic surface such as aluminum; the rainbow-colored hologram appears when light hits the surface at a certain angle (Think of the security sticker on the back of your credit card). But aluminum-drenched chocolate doesn’t sound very appetizing, so confectioners pour the chocolate into a mold etched with a patchwork of minuscule bumps, or microstructures, that bend light at specific angles — embedding a hologram directly onto its surface.

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