Semiconductors, or microchips, have been changing the way the world works for the past half-century. The technology has made radios, televisions and mobile devices commonplace. In advancing the technology, researchers are now focusing on superconduct

发表于:2018-12-02 / 阅读(81) / 评论(0) 分类 2017CRI中国国际广播电台

Forcing Electrons into Superconducting Line In a study in the journal Nature researchers created a pseudo gap, in which electrons in superconducting materials line up just before flowing resistance-free. Sonya Buyting reports Imagine a world with lev

发表于:2019-01-02 / 阅读(150) / 评论(0) 分类 60秒科学

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Faith Lapidus. VOICE TWO: And I'm Steve Ember. This week our subject is the presidential campaign, heading into the biggest day of the nominating season: Super Tuesday. (MUSIC) VOICE

发表于:2019-01-11 / 阅读(36) / 评论(0) 分类 VOA慢速英语2008年(二)月

By Paula Wolfson Washington 06 February 2008 Voters in almost half the 50 U.S. states are making their voices heard Tuesday in the biggest primary election day in the nation's history. VOA's Paula Wolfson reports roughly half the delegates to the Rep

发表于:2019-01-20 / 阅读(31) / 评论(0) 分类 VOA常速英语2008年(二月)

Superstorm Sandy smashes U.S. eastern coast WASHINGTON, Oct. 30 (Xinhua) -- Superstorm Sandy has killed at least 29 people and knocked millions out of power across the densely populated U.S. east coast, leaving streets flooded, houses burned and a le

发表于:2019-02-03 / 阅读(46) / 评论(0) 分类 英语新闻

Super-duper supers 超级养老金 In Australias superannuation scheme, everyones a winner 澳洲养老金计划,全盘皆赢家 May 26th 2011 | from the print edition TWENTY YEARS OF reform in Australia did not roll off without resistance, so swee

发表于:2019-02-17 / 阅读(41) / 评论(0) 分类 经济学人综合