Stanford engineers create nanoscale nonlinear light source


Not long after the development of the first laser in 1960 scientists discovered that shining a beam through certain crystals produced light of a different color; more specifically, it produced light of exactly twice the…

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Saltwater boosts microbial electrolysis cells to cleanly produce hydrogen


A grain of salt or two may be all that microbial electrolysis cells need to produce hydrogen from wastewater or organic byproducts, without adding carbon dioxide to the atmosphere or using grid electricity, according to…

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