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Glow in the dark cement

Peter Maltezos's picture
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http://www.domain.com.au/news/mexican-scientist-invents-glowinthedark-ce...

Mexican scientist invents glow-in-the-dark cement

May 17, 2016 Nicole Frost

Dr Jose Carlos Rubio's glow-in-the-dark cement glows for about 12 hours and lasts up to 100 years. Photo: Investigación y Desarrollo

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 byproduct in one production method, which is done by changing the microstructure of the cement. 

But the results are impressive – his cement should glow for about 12 hours, and last for up to 100 years. The light emitted can be green or blue, and it’s brightness can be adjusted depending on  its intended use.

The cement can glow in green or blue. Photo: Investigación y Desarrollo

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