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the best airprint printers

the brother hl-l2340dw is a fast, reliable monochrome laser printer designed squarely for the small office and home office user in mind. its compact, desk-friendly size is ideal for smaller offices where working space is at a premium, and it prints sharp, professional black and white pages at up to ...

nano-sized hydrogen storage system increases efficiency

lawrence livermore scientists have collaborated with an interdisciplinary team of researchers including colleagues from sandia national laboratories to develop an efficient hydrogen storage system that could be a boon for hydrogen powered vehicles. hydrogen is an excellent energy carrier, but the de...

nano-sized hydrogen storage system increases efficiency

hydrogenation forms a mixture of lithium amide and hydride (light blue) as an outer shell around a lithium nitride particle (dark blue) nanoconfined in carbon. nanoconfinement suppresses all other intermediate phases to prevent interface formation, which has the effect of dramatically improving the ...