As the cake turns, it changes color. Also, I get hungrier. How?
YouTube user CharlotteSometimes doesn't explain, but commenter Nyphetamine Blue says that it's done by airbrushing color onto the icing from different directions. The ridges help delineate where one color begins and another ends. Turning the cake exposes alternate sides of the ridges.
-via Gizmodo
We dish up more neat food posts at the Neatolicious blog
looks more like they're using prismatic shifting paint pigments, tiny particles of mica that have been coated with titanium which is then etched to refract light in different ways depending on the angle. i wouldn't eat it...
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