3D Concrete Printer Could Build Benches on Earth, Bases on Moon

April 23, 2010 by  
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Story by David Bois, originally published April 2010 on Tonic.com. ; Photo by the.Firebottle via Flickr .

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3D Concrete Printer Could Build Benches on Earth, Bases on Moon

Activist Cyclists Call for 100% Renewables in 10 years (Video)

April 23, 2010 by  
Filed under Green

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Image credit: Massachusetts Climate Summer From bike tours promoting green living in Japan to the World Naked Bike Ride , there are plenty of opportunities to take a pedal-powered-trip, and promote your favorite cause at the same time.

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Activist Cyclists Call for 100% Renewables in 10 years (Video)

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