引力透镜效应

'The Diamond Lens' by Fitz-James O'Brien, Part One

Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will tell the story in two parts. Now, here is Maurice Joyce with part one of The Diamond Lens. When I was ten years old, one of my older cousins gave me a microscop

发表于:2018-12-08 / 阅读(459) / 评论(0)

2018年VOA慢速英语(二)月

VOA慢速英语2011--Short Story: ‘The Diamond Lens’ by F

AMERICAN STORIES - Short Story: The Diamond Lens by Fitz-James O'Brien (Part 2) Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and

发表于:2018-12-16 / 阅读(66) / 评论(0)

2011年VOA慢速英语(六)月

'The Diamond Lens' by Fitz-James O'Brien, Part Two

Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of The Diamond Lens. When I was a child, someone gave me a microscope. I spent

发表于:2019-01-03 / 阅读(314) / 评论(0)

2018年VOA慢速英语(三)月

SSS 2011-07-13

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? You could think of it as the real dancing with the stars. Two white dwarf stars have been found twirling around each other to make a complete orbit in less than every 13

发表于:2019-01-08 / 阅读(68) / 评论(0)

Scientific American(七)月

VOA慢速英语2011--Short Story: ‘The Diamond Lens,’ Par

AMERICAN STORIES - Short Story: The Diamond Lens, Part 1, by Fitz-James O'Brien SHIRLEY GRIFFITH: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will te

发表于:2019-01-12 / 阅读(93) / 评论(0)

2011年VOA慢速英语(六)月

VOA慢速英语2016 引力波存在证明爱因斯坦是正确的

Gravitational Waves Detected, Einstein Is Right 引力波存在证明爱因斯坦是正确的尽管花费了100年时间，最终科学家还是证明了爱因斯坦的理论是正确的，引力波确实存在 The waves were predicted as part of Ei

发表于:2019-01-12 / 阅读(51) / 评论(0)

2016年VOA慢速英语(二)月

科学美国人60秒 SSS How to Find Loooong Gravitational Waves

In 2016 the Laser Interferometer Gravitational-Wave Observatory, LIGO, made the first accepted detection of gravitational waves. So any time you move a mass it produces a gravitational waveso black holes, like the ones LIGO detected, these are stella

发表于:2019-01-20 / 阅读(80) / 评论(0)

2017年Scientific American(三)月

万物简史第77期:事物的测定(25)

When assembled, Michell's apparatus looked like nothing so much as an eighteenth-century version of a Nautilus weight-training machine. It incorporated weights, counterweights, pendulums, shafts, and torsion wires. 装配完毕以后，米歇尔的仪器

发表于:2019-01-29 / 阅读(40) / 评论(0)

万物简史

万物简史(MP3+中英字幕) 第61期:事物的测定(8)

At Principia's heart were Newton's three laws of motion (which state, very baldly, that a thing moves in the direction in which it is pushed; that it will keep moving in a straight line until some other force acts to slow or deflect it; and that ever

发表于:2019-01-29 / 阅读(47) / 评论(0)

万物简史

科学家宣布再次探测到引力波

Four months after the historic first-ever detection of gravitational waves, scientists said they have directly detected another gravitational wave washing over the Earth. 在引力波历史性的首次检测到四个月之后，科学家们近日表示

发表于:2019-02-02 / 阅读(85) / 评论(0)

英语新闻

中国布局引力波探测

Chinese scientists have announced a gravitational wave research plan they're dubbing Taiji. The Chinese Academy of Sciences says their research plans will be finalized later this year. Academy member Wu Yueliang says their research will focus on low

发表于:2019-02-02 / 阅读(86) / 评论(0)

英语新闻

科学家发现引力波印证爱因斯坦预言

David Reitze, executive director of the U.S.-based Laser Interferometer Gravitational-Wave Observatory, also known as LIGO, made the announcement in Washington D.C. Ladies and gentlemen, we have detected gravitational waves, we did it! The gravitatio

发表于:2019-02-02 / 阅读(49) / 评论(0)

英语新闻

科学家发现宇宙膨胀的证据

科学家发现宇宙膨胀的证据 WASHINGTON, March 17 (Xinhua) -- U.S. astronomers announced Monday they have captured the first images of gravitational waves, or ripples in space-time described as the first tremors of the Big Bang in which the u

发表于:2019-02-03 / 阅读(63) / 评论(0)

英语新闻

中国建造世界最高重力波望远镜

They were proposed almost exactly 100 years ago by Albert Einstein based on his theory of general relativity but it was only in February 2016 that scientists proved the existence of gravitational waves. And now China is starting work on the worlds hi

发表于:2019-02-06 / 阅读(79) / 评论(0)

英语新闻

经济学人:天体物理尘归尘土归土

Astrophysics 天体物理 Dust to dust 尘归尘，土归土 A dramatic recent discovery in physics is looking rather dodgy 近期，物理学中的一项戏剧性发现看上出非常模糊 IN MARCH Chao-Lin Kuo, an astrophysicist at Stanford Univer

发表于:2019-02-16 / 阅读(80) / 评论(0)

经济学人科技系列

经济学人512:宇宙学揭秘宇宙的起源

Leaders 社论 Cosmology 宇宙学 Man suddenly sees the start of the universe 揭秘宇宙的起源 The quest to understand reality takes a great leap backwards 科学新突破探索宇宙诞生之初的真相 IN THE beginning was the word and the w

发表于:2019-02-17 / 阅读(59) / 评论(0)

经济学人综合

在阅读中把握GRE词汇含义方法技巧

在阅读中把握GRE词汇含义方法技巧 GRE文章是论证性文字，不是说明性文字，也不是叙述性文字。这种以论证为特点的文字，及于GRE阅读文章的各个层面：篇章段落句子单词。篇章由多个论点组

发表于:2019-02-17 / 阅读(46) / 评论(0)

GRE英语

GRE阅读中的专有名词都有什么

首先我必须要知道，一篇文章中不认识的单词占托福阅读词汇总量的比例只要控制在8%以内，是绝对不会影响到我们对全文任何观点的理解的。基于这一点，我们大家大可不必因为遇到了几个我

发表于:2019-02-17 / 阅读(147) / 评论(0)

GRE英语

2016年CRI China's Unveils ＂Taiji＂ Gravitational Wave Plan

发表于:2019-02-21 / 阅读(82) / 评论(0)

2016CRI中国国际广播电台

GRE阅读中遇到陌生词汇要沉着应对

首先要说的是，在阅读教学的研究当中，语言学家们发现，一篇文章中不认识的单词占全文词汇总量的比例只要控制在8%以内，是绝对不会影响到我们对全文任何观点的理解的。基于这一点，我

发表于:2019-02-25 / 阅读(71) / 评论(0)

GRE英语

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