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The first Urbee rolled off the printing press a few days ago. Fast Company has an exclusive look at the sexy 200 mpg super-light hybrid. Last year, Stratasys and Kor Ecologic teamed up to develop the first 3-D printed car--a vehicle that has its entire body 3-D printed layer by layer until a finished product emerges

Students, parents, teachers : the Google Science Fair ’s deadline is April 4. Scientific American is a media partner, and I am a judge.