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Scientists create ‘chameleon rainbow’ chocolate

This content was published on Dec 19, 2019 The shimmering effect has been perfected without the use of artificial additives by researchers at Zurich’s Federal Institute of Technology (ETHZ) and the University of Applied Sciences and Arts Northwestern Switzerland. Changing the surface structure of the chocolate with a “surface imprint” makes it shimmer with what scientists call “structural colour”. “The process is similar…