Boeing has flown the first manned airplane powered by hydrogen fuel cells. The plane was engineered at Boeing Research & Technology Europe in Madrid, Spain with help from industry partners in Austria, France, Germany, Spain, the UK and the U.S. The plane is a two-seat Demona motor glider with a 53-ft wingspan. Diamond Aircraft Industries of Austria built the plane to include a proton exchange membrane fuel cell/lithium-ion battery hybrid system that powers an electric motor coupled with a conventional propeller.
During three test flights in February and March, the airplane climbed to an altitude of 3,300 ft. After reaching cruising altitude and disconnecting the batteries, the pilot flew straight and level at a cruising speed of 62 mph for 20 minutes on power solely provided by the fuel cells. Boeing sees the potential to use fuel cell power for small manned and unmanned air vehicles.
Samsung's Galaxy line of smartphones used to fare quite well in the repairability department, but last year's flagship S5 model took a tumble, scoring a meh-inducing 5/10. Will the newly redesigned S6 lead us back into star-studded territory, or will we sink further into the depths of a repairability black hole?
In 2003, the world contained just over 500 million Internet-connected devices. By 2010, this figure had risen to 12.5 billion connected objects, almost six devices per individual with access to the Internet. Now, as we move into 2015, the number of connected 'things' is expected to reach 25 billion, ultimately edging toward 50 billion by the end of the decade.
NASA engineer Brian Trease studied abroad in Japan as a high school student and used to fold fast-food wrappers into cranes using origami techniques he learned in library books. Inspired by this, he began to imagine that origami could be applied to building spacecraft components, particularly solar panels that could one day send solar power from space to be used on earth.
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