color

Changing Colors

Changing Colors is an interactive exhibit that shows how some high-tech nanomaterials mimic natural phenomena. Super-small, light-reflecting structures—instead of pigments—on the wings of some butterflies create intense, iridescent colors. Nanoscientists have replicated this effect with layered, super-thin films. Watch the colors change on butterfly wings and thin-film slides as you move them beneath a light source, and discover how nanoscale structures can manipulate light and create color. Butterfly specimens deteriorate with heavy use, and may need to be replaced periodically.

Nanotechnology Coloring Book

The Nanotechnology Coloring Book and Answers sheet created by NanoSonic are available in English and French/Francais for free download from NanoSonic, an American company that designs and produces nanomaterials. It helps fourth-to-fifth grade students learn about the tiny world of nanoscale with line drawings, brief descriptions of the illustrations, questions and several exercises. The Answers sheet is provided for teachers and parents.

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