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Science & Technology

Unsung material could boost eco-building

By T.K. Randall
November 16, 2011 · Comment icon 4 comments

Image Credit: CC 3.0 Davide Lussetti
A material found in toothpaste, sunscreen, solar cells and at Wimbledon also devours air pollutants.
Imagine a building coated in a substance that not only allows the building to clean itself after a good rain, but also breaks down the molecules of pollutants in the air. Titanium dioxide is found in a very wide variety of things and is now being added to concrete and coated on to aluminium panels in an effort to help in the battle against pollution.
What material can you find in toothpaste, sunscreen, solar cells, on the baseline at Wimbledon, in a Roman church, and along a tunnel in Brussels? Full marks if you guessed titanium dioxide, a nearly ubiquitous but wholly unsung material.


Source: BBC News | Comments (4)




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Recent comments on this story
Comment icon #1 Posted by Johnnny 12 years ago
I remember someone telling me that this stuff was used by Mary-Tyler Moore (US TV personality) to cure her cancer. Don't know how true this is.
Comment icon #2 Posted by Offeiriad 12 years ago
Last night while I was in the shower, I happened to look at the ingredients in a facial scrub that I use and the last ingredient listed was titanium dioxide.
Comment icon #3 Posted by kobolds 12 years ago
sound great but I don't think I want my home smell like toothpaste
Comment icon #4 Posted by jericka 12 years ago
what is the outcome of using this substance.


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