German researchers have developed a new method for materials that change colour depending onpaint shimmering colours their environment. While such technology is not new, their technique creates new particles whose behavior is more controllable. Speculation for use is focused on optical data processing (i.e., CDs, DVDs, etc.) but others would be new cosmetics or car finishes that can change with the temperature or atmospheric humidity.

The article is quite detailed. Anyone provide a translation?

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