The hidden power of moss

(PhysOrg.com) -- Scientists at Cambridge University are exhibiting a prototype table that demonstrates how biological fuel cells can harness energy from plants.

As cost goes down, 3-D printers begin to make an impression

Diego Porqueras' Deezmaker store in Pasadena, Calif., is a geeky version of Santa's workshop, brimming with action figures, chess pieces and jewelry. But instead of relying on elves, Porqueras has built his own one-man factory ...

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