Marine Corps 3D print 500-square-foot concrete barrack
Marine Corps 3D print 500-square-foot concrete barrack
The Marine Corps, Army and Navy Seabees teamed up to 3D print a concrete barrack in just 40 hours.
Mars rock found in Niger sells for millions in New York - now the country wants answers
The West African country investigates how a space rock found there was put up for sale in New York. from BBC News https://ift.tt/gVkA5X4 via
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