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World’s tiniest solar drone can fly forever with high lift efficiency
Interesting Engineering· 21 hours agoResearchers used a thin film of gallium arsenide for solar cells, achieving 30 percent efficiency...
Jake Wightman interview: 'Britain is the best middle-distance nation in the world'
New York Times· 7 hours agoYou would be forgiven for thinking that the world of men’s middle-distance running, specifically the...