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

第二天清晨,丹尼尔兴高采烈地和爸爸一起去爬山。可是爬到半山腰的时候,爸爸实在是累得筋疲力尽,这可怎么办呢? Listen Read Learn Daniel: What a beautiful day! Dad: The weather is so crazy. It rained cats and dogs last night, but cleared up in the mornin

发表于:2018-12-26 / 阅读(59) / 评论(0) 分类 英语口语大赢家

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

CALVIN: So, are you pretty well settled in your new place? TOM: I still have to buy a washing machine and dryer. But otherwise I've pretty much finished moving. CALVIN: Does your building have cable T

发表于:2019-01-11 / 阅读(134) / 评论(0) 分类 娱乐英语

By Naomi Martig Hong Kong 28 February 2008 A group of six international companies has announced plans to build an ultra-high speed, undersea, fiber-optic cable under the Pacific Ocean, between Japan and the United States. The project is meant to impr

发表于:2019-01-11 / 阅读(59) / 评论(0) 分类 VOA常速英语2008年(二月)

Sometimes Jeff's TV screen turned black. Sometimes the picture froze. He called his cable company. The representative gave Jeff a Sunday appointment. Sunday morning, the doorbell rang. Jeff opened his apartment door. It was the cable technician. The

发表于:2019-02-15 / 阅读(55) / 评论(0) 分类 英文短篇故事(纽约)