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经济学人:分子生物学 蛋白质的奥秘(2)

One of the leading researchers in the field of protein folding is David Baker of the University of Washington, in Seattle. 西雅图华盛顿大学的David Baker是蛋白质折叠领域研究者的领军人物之一。 For the past 20 years he and hi

发表于:2018-12-05 / 阅读(96) / 评论(0) 分类 经济学人科技系列

TED演讲:原子究竟有多小?(2)

So if you popped open the blueberry and were searching for the nucleus 如果你在蓝莓的内部搜索原子核，结果是一无所获。 You know what? It would be invisible. It's too small to see! 知道为什么吗？因为我们看不到它！它

发表于:2018-12-08 / 阅读(69) / 评论(0) 分类 TED演讲教育篇

TED演讲:原子究竟有多小?(1)

You probably already know everything is made up of little tiny things called atoms 你也许已经知道所有的东西都是由微小的原子组成。 You might even know that each atom is made up of even smaller particles called protons, neutrons

发表于:2018-12-08 / 阅读(63) / 评论(0) 分类 TED演讲教育篇

手把手教你学口语25

pronunciation of the letter t. Of course the letter t is usually pounced t. But you may have noticed that in fluent speech, native speakers sometimes pronounced the t as d. That happens when the t comes between two voiced sounds. Do you know what sou

发表于:2018-12-25 / 阅读(84) / 评论(0) 分类 手把手教你学口语

【小龟乐游记】杀手5：赦免（21）

文本： Dexter:Get your ass up here.We're leavin'.And you,move! Inside the _(1)_! I'm gonna take you apart atom by atom and breed you like a prize bull.Oh,don't look so shocked,girl.After all,they grew you in a __(2)__.My lab should feel......right

发表于:2018-12-28 / 阅读(54) / 评论(0) 分类 小龟乐游记英语短文

新编英语教程第三册Unit06

Unit 6 TEXT I Atomic Cars Text Every motorist dreams of a car of the future that does not have to be refuelled every few hundred miles, a car that will cost little to run because there is no outlay on

发表于:2018-12-29 / 阅读(91) / 评论(0) 分类 新编大学英语教程

SSS 2008-03-06

This is scientific Americans 60 Second Science. I'm Steve Mirskey. Got a minute? The lure of gold can be electric to some people even though the element is chemically inert on the large scale. But the researchers from Georgia Tech report that down at

发表于:2019-01-04 / 阅读(114) / 评论(0) 分类 Scientific American(三)月

SSS 2009-06-08

This is Scientific American's 60-second Science, I'm Steve Mirsky. Got a minute? Back on January 15th, US Airways Flight 1549 made that amazing water landing in the Hudson after both engines were taken out by Canada geese, which can weigh eight pound

发表于:2019-01-08 / 阅读(94) / 评论(0) 分类 Scientific American(六)月

听歌学英语：What You Made-Lizzy Wang

Two hearts beating together 两颗心跃动相同的频率 Two bodies just one soul in search of each other 栖息在两个躯体的同一灵魂寻求彼岸的共鸣 They said it couldnt happen 人们都说这不可能成真 But we broke all the odds

发表于:2019-01-10 / 阅读(75) / 评论(0) 分类 听歌学英语

王强口语 第二册 Dialogue Completion 016A

Lesson Sixteen 听力部分 Dialogue Completion: Listen to the tape repeatedly and try to complete the following dialogues, using the exact words or phrases that you hear on the tape. A Man: Hi, you know. I get the_____feeling that I am _____ . Woman

发表于:2019-01-14 / 阅读(108) / 评论(0) 分类 王强口语 第二册

TED演讲:为什么玻璃是透明的(2)

But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a

发表于:2019-01-17 / 阅读(77) / 评论(0) 分类 TED演讲教育篇

万物简史 第150期:基本物质(22)

At McGill University in Montreal the young New Zealandborn Ernest Rutherford became interested in the new radioactive materials. With a colleague named Frederick Soddy he discovered that immense reserves of energy were bound up in these small amounts

发表于:2019-01-29 / 阅读(86) / 评论(0) 分类 万物简史

经济学人172:基础物理学 反物质现状

Science and technology 科学技术 Fundamental physics 基础物理学 Antimatter of fact 反物质现状 Researchers at CERN have held on to anti-atoms for a full quarter of an hour 欧洲核子研究中心的研究人员已经让反原子停留了十

发表于:2019-02-02 / 阅读(74) / 评论(0) 分类 经济学人科技系列

万物简史 第410期:生命的起源(4)

Yet we are talking about several hundred thousand types of protein, perhaps a million, 然而，我们在讨论的蛋白质有几十万种，也许是100万种， each unique and each, as far as we know, vital to the maintenance of a sound and happy

发表于:2019-02-17 / 阅读(64) / 评论(0) 分类 万物简史

万物简史 第229期:马斯特-马克的夸克(1)

11 Muster Mark's Quarks 第十一章 马斯特马克的夸克 IN 1911, A British scientist named C. T. R. Wilson was studying cloud formations by tramping regularly to the summit of Ben Nevis, 1911年，一位名叫C.T.R.威尔逊的英国科学家经常

发表于:2019-02-17 / 阅读(62) / 评论(0) 分类 万物简史

万物简史 第211期:威力巨大的原子(25)

Einstein disliked that, too. He devoted the rest of his life to searching for a way to tie up these loose ends by finding a grand unified theory, and always failed. From time to time he thought he had it, but it always unraveled on him in the end. As

发表于:2019-02-17 / 阅读(59) / 评论(0) 分类 万物简史

万物简史 第203期:威力巨大的原子(17)

Meanwhile the tireless Rutherford, now back at Cambridge as J. J. Thomson's successor as head of the Cavendish Laboratory, came up with a model that explained why the nuclei didn't blow up. He saw that they must be offset by some type of neutralizing

发表于:2019-02-17 / 阅读(88) / 评论(0) 分类 万物简史

万物简史 第199期:威力巨大的原子(13)

Neutrons and protons occupy the atom's nucleus. The nucleus of an atom is tinyonly one millionth of a billionth of the full volume of the atombut fantastically dense, since it contains virtually all the atom's mass. As Cropper has put it, if an atom

发表于:2019-02-17 / 阅读(51) / 评论(0) 分类 万物简史

万物简史 第198期:威力巨大的原子(12)

Let us pause for a moment and consider the structure of the atom as we know it now. Every atom is made from three kinds of elementary particles: protons, which have a positive electrical charge; electrons, which have a negative electrical charge; and

发表于:2019-02-25 / 阅读(107) / 评论(0) 分类 万物简史

万物简史 第197期:威力巨大的原子(11)

In 1910, Rutherford (assisted by his student Hans Geiger, who would later invent the radiation detector that bears his name) fired ionized helium atoms, or alpha particles, at a sheet of gold foil. To Rutherford's astonishment, some of the particles

发表于:2019-03-10 / 阅读(169) / 评论(0) 分类 万物简史
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