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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The atomic clock with the world’s best long-term accuracy is revealed after evaluation


A caesium fountain clock that keeps the United Kingdom‘s atomic time is now the most accurate long-term timekeeper in the world, according to a new evaluation of the clock that will be published in the…

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