How rocks and minerals play with light to produce breathtaking colors - Big Think

Rocks and minerals don’t simply reflect light. They play with it and interact with light as both a wave and a particle.

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Philosopher Judith Butler's theory of gender for the 21st century - Big Think

Fluorescent Minerals and Rocks: They Glow under UV Light!

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Rock, Fossil & Mineral Collection & Activity Kit. Includes 250+ Real Gemstones, Crystals Specimens & Jumbo Learning Mat - Bulk Rough Rocks, Polished

Watch white beads change to bright colors when taken outside the building! When returned they turn back to white. What causes the change? Humidity?

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How rocks and minerals play with light to produce breathtaking colors - Big Think

Riddle solved: Why was Roman concrete so durable?, MIT News

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