It was supposed to be the greatest science experiment ever, and it's certainly the most expensive. The large hadron collider designed to recreate the Big Bang theory with colliding particles has so far cost nearly 10 billion dollars and counting. Sci

发表于:2019-01-07 / 阅读(51) / 评论(0) 分类 cnn2009年(十一)月

By Elizabeth Arrott Cairo 28 September 2009 Revolutionary Guard's Tondar missile is launched in a drill, Sunday 27 Sept. 2009, near the city of Qom, 80 miles south of Tehran Iranian state media report the military has successfully test fired its lon

发表于:2019-01-13 / 阅读(51) / 评论(0) 分类 VOA标准英语2009年(九月)

US President Barack Obama, left, and his Russian counterpart Dmitry Medvedev, right, shake hands at a press conference after signing the newly completed New START treaty reducing long-range nuclear weapons at the Prague Castle, 8 Apr 2010 The New Str

发表于:2019-01-13 / 阅读(57) / 评论(0) 分类 VOA标准英语2010年(八)月

CERN Accelerator Back in Business 欧洲核子研究中心粒子加速器升级 The long upgrade of the Large Hadron Collider is over. The scientific instrument responsible for the discovery of the Higgs boson -- the so-called God particle -- is bein

发表于:2019-01-14 / 阅读(36) / 评论(0) 分类 VOA标准英语2014年(九月)

By Anjana Pasricha New Delhi 09 July 2006 Indian army soldiers watch the display of an Agni-2 missile during the Army Day parade in New Delhi (File photo) India has tested a sophisticated, long-range nuclear-capable missile that dramatically boosts

发表于:2019-02-06 / 阅读(98) / 评论(0) 分类 2006年VOA标准英语(七月)

Iran says it will fire long-range missiles on Saturday as part of military exercises in the Gulf. The announcement on Friday was made on the heels of heightened tensions between Iran and Western powers over Tehran's threat to block oil shipments thro

发表于:2019-02-08 / 阅读(62) / 评论(0) 分类 英语新闻