Wednesday, December 30, 2015

Inhabitat’s Week in Green: human-powered helicopter, a 3D-printed SLR and smog-eating pavement

Week in Green: human-powered helicopter, 3D-printed SLR, smog-eating pavement #green #news https://t.co/4zQixMDOGq https://t.co/AUz0GJmH4x https://t.co/4zQixMDOGq  



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