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A 10-ton Ukrainian drone submarine that is wider than it is tall sat on a stand in Paris built partly to hunt other underwater drones, and six weeks later the US Coast Guard asked American industry for anything that could kill one
Three steel squares 45 meters a side left a French port under tow with a 10-megawatt turbine already bolted on each one, rode out a Gulf of Lion winter with nothing damping them but the seawater trapped in their own bellies, and have run flat out since May
A Swiss tomato grower hung 1,736 solar modules inside his greenhouse directly over the rows, and they take only the infrared the plants never use, so the crop came out 1 percent up and the pickers started working under them because it was cooler
A 4,350-ton boring machine that bends at the waist launched 147 feet under a suburban cricket ground in Sydney this week, and it changes its own worn cutting teeth without sending anyone into the head