NASA is quietly working on an ambitious plan to help a “significant portion” of the aircraft industry transition to electric propulsion within the next decade. It’s a noble—and challenging—endeavor that has the potential to significantly reduce our dependence on fossil fuels. Now, the Agency has begun testing an electric plane concept that uses Leading Edge Asynchronous Propeller Technology (LEAPTech). It could transform aviation, but on the face of it, it’s really rather peculiar.
By Ana Swanson
China used more cement between 2011 and 2013 than the U.S. used in the entire 20th Century.
It’s a statistic so mind-blowing that it stunned Bill Gates and inspired haiku. But can it be true, and, if so, how? Yes, China’s economy has grown at an extraordinary rate, and it has more than four times as many people as the United States. But the 1900s were America’s great period of expansion, the century in which the U.S. built almost all of its roads and bridges, the Interstate system, the Hoover Dam, and many of the world’s tallest skyscrapers. And China and the U.S. are roughly the same size in terms of geographic area, ranking third and fourth in the world, respectively.
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By Ayaz Amir
A few words about the parade…why must the accompanying commentary be so hysterical? I put on the TV at about a few minutes to eleven but the commentary, male and female, was just too much, going on and on without a moment’s rest, much too loud and indeed deadlier than any of the weaponry marching past. If the military can’t be made to learn the uses of brevity what hope for the rest of the nation? Thanks to the commentary, two minutes of the parade was all I could stand. There was also the charismatic visage of the president. On this subject what more is there to say?
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