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A 39-foot drone boat put two 100-pound robot sailboats over the side off Plymouth, software running the whole sequence, and the pair spread apart to run on wind and sunlight doing the submarine listening that ties up a frigate and its entire crew
An oil rig yard has built a 100-kilowatt floating solar farm off Shandong on bamboo tubes wound under tension and set in resin, in water where untreated bamboo lasts under two years before the borers get it, and it never published how the 10-kilowatt one aged
A gas-cooled reactor small enough for five acres, running nitrogen at 1,100 degrees over uranium grains the size of poppy seeds, is going inside the wire at Fort Campbell, one of more than 20 the Army wants on its posts, and the Army will not own or license a single one
A gravity dam 66 feet tall on the Ain holds back a pond that empties in a few hours whenever the pumps run, and EDF has ordered a single 17-megawatt turbine that lets the valley recycle four times the water it does now, taking its storage from 50 gigawatt-hours to 250