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(80) / 评论(0) 分类 2017CRI中国国际广播电台

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Wine can help keep conversation flowing at a dinner party. And now it looks like that wine may aid in materials science as well. Japanese researchers dis

发表于:2019-01-08 / 阅读(135) / 评论(0) 分类 Scientific American(三)月

AUDIE CORNISH, HOST: And now a moment to remember Martin Landau, who also died this weekend at the age of 89. He was an Oscar-winning actor in his own right and guided younger stars. NPR's Andrew Limbong has more. ANDREW LIMBONG, BYLINE: Movie stars

发表于:2019-01-16 / 阅读(36) / 评论(0) 分类 2017年NPR美国国家公共电台7月

SCOTT SIMON, HOST: Here's an idea for a musical. The end is near. It was just a day for the inhabitants of Bikini Bottom to figure out how to save themselves from a powerful volcano that's about to explode. Who can we count on to come through? Well,

发表于:2019-01-16 / 阅读(41) / 评论(0) 分类 2017年NPR美国国家公共电台12月

GWEN IFILL: Earlier in the day, the Obama administration went to Capitol Hill to make its case to allow government great access to encrypted information. Essentially, the government wants to be able to read certain data that intelligence agencies can

发表于:2019-02-25 / 阅读(43) / 评论(0) 分类 PBS访谈社会系列

EIGHTY-ONE Chapter 20 AS was his wont, Oblonsky did not spend his time idly while in Petersburg. Besides business his sisters divorce and his post it was as usual necessary for him, as he said, to refresh himself in Petersburg after the mustiness of

发表于:2019-03-09 / 阅读(159) / 评论(0) 分类 有声英语文学名著