Mexican scientist invents glow-in-the-dark cement

Glow in the dark cement

It’s taken nine years of work, but it turns out it can be done. Scientist Jose Carlos Rubio, of Mexico’s University of San Nicolas de Hidalgo, has just patented his glow-in-the-dark cement. And what are its applications, other than looking very cool? Dr Rubio believes it could be a new way to light cities, streets and buildings without using electricity: the only thing emitted during its production is water vapour. It was a long process. Part of the challenge was cement’s opacity: the trick, he discovered, was to remove the crystal flakes that occur as a by product in one production method, which is done by changing the microstructure of the cement.

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