hwThe little black boxes in the aeroplanes provide useful information after a crash has taken place. Now researchers have devised a way to use black box info from planes that do not crash to prevent accidents from never happening. Some airlines alrea

发表于:2019-01-08 / 阅读(52) / 评论(0) 分类 Scientific American(九)月

The little black boxes in airplanes provide useful information after a crash has taken place. Now researchers have devised a way to use black box info from planes that do not crash to help prevent accidents from ever happening. Some airlines already

发表于:2019-01-08 / 阅读(46) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The little black boxes in airplanes provide useful information after a crash has taken place. Now researchers have devised a way to use black box info

发表于:2019-01-08 / 阅读(53) / 评论(0) 分类 Scientific American(九)月

WASHINGTON, Nov. 8 (Xinhua) -- NASA plans to add an unmanned flight test of the Orion spacecraft in early 2014 to its contract with Lockheed Martin Space Systems for the multipurpose crew vehicle's design, development, test and evaluation, the U.S. s

发表于:2019-02-07 / 阅读(45) / 评论(0) 分类 英语新闻

马来西亚总理称失联客机通信系统被人为关闭 Malaysian Prime Minister Najib Razak says in Kuala Lumpur that investigators have evidence that the missing jet's communications were deliberately disabled and it turned back from its route

发表于:2019-02-14 / 阅读(64) / 评论(0) 分类 2014CRI中国国际广播电台

WASHINGTON, July 7 (Xinhua) -- U.S. federal transportation authorities are still in the initial stages of their investigation into Saturday's deadly crash landing of an Asiana Airlines Boeing 777 commercial plane at San Francisco International Airpor

发表于:2019-02-17 / 阅读(29) / 评论(0) 分类 英语新闻