X-Rays Reveal Secret of Ancient Mayan Dye





Physicists have created a dye that promises to last for a thousand years. The secret to this extraordinary durability? Its formula is based on a Mayan pigment, a brilliant blue color that survives to this day on the walls of their ancient temples.

Dooryhee and team of French physicists have spent years studying historical objects using X-rays. They shoot finely-tuned beams of X-rays from a synchrotron machine -- much stronger than a dental X-ray -- at these materials and look at the pattern of scattered X-rays coming out in order to determine the structure of the atoms inside.

The scientists have used this technology to examine Egyptian cosmetics, Roman pottery, and Renaissance paintings. They have recreated some of these ancient materials and are just beginning to learn how to borrow their strengths to make new modern "archeomimetic" materials that can stand the test of time....



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