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2 thoughts on “Laser etched chocolate bar”
I recall, about eight years ago, reading about a patent for molding chocolates with a holographic image on its surface. I think it was a kind of reflective type hologram, like the ones on a credit card.
The inventor gave an example to use this process for making holographic chocolates for upscale hotels to put on pillows, etc.
I guess it was a kind of diffraction grating effect built into the surface of chocolates. The chocolate itself may have needed more culinary wax on its outer layer to support it.
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