MIT scientists create color-shifting films inspired by 19th-century holography

Real-time video capturing the stretching of an 8×6-inch structural color pattern that features a flower bouquet in homage to 19th-century physicist Gabriel Lippmann’s work. Real-time video capturing the stretching of an 8×6-inch structural color pattern that features a flower bouquet in homage to 19th-century physicist Gabriel Lippmann’s work.

The bright iridescent colors in butterfly wings or beetle shells don’t come from any pigment molecules but from how the wings are structured—a naturally occurring example of what physicists call photonic crystals. Scientists can make their own structural colored materials in the lab, but it can be

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