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An American 2,650-ton tunnel borer with a 44.8-foot face just finished the hardest 0.9 miles under Hiroshima, the first foreign slurry machine Japan ever let cut hard rock, after a six-month stop over one-tenth of a millimeter of ground movement — the thickness of a sheet of paper
America just showed a 660-pound remote turret that bolts onto the truck you already have, spots a small drone and points a 30mm cannon 1.2 miles of sky at it, after fiber-optic quadcopters made a generation of jammers look like very expensive radios — and a person still has to approve the shot
An Australian dairy farmer just unfolded 105 kilowatts of solar out of shipping containers on rails, like an accordion, with a 241-kilowatt-hour battery sitting beside 240 cows that milk twice a day in the dark — and the whole farm can fold the array up and drive it somewhere else
Japan is taking 20 American wave-powered drones through a $25 million US Air Force deal — 18-foot surfboard machines that stay at sea for a year on swell and sun, with no engine and no fuel tank — to help figure out where things that fall over water actually land