【轻松英文阅读】宇宙中的灾难

While you were going about your day on February 24th of this year, the sun was ejecting a massive jet of particles into space. This phenomenon is known as a CME, a coronal mass ejection and they often come after a solar flare. Luckily for us on earth

与美国小学生一起学英文第8册 第9期:伽利略

Galileo Galilei 伽利略伽利莱 Will you believe it when someone says the Earth is the center of the universe and it does not move at all? 如果有人和你说地球是宇宙的中心，它不会转动，你会相信吗？ Of course, you won't. 你

TED演讲:从遥远的星系中我们可以学到什么(2)

And many of the questions that we might have about the universe at large scales, 我们关于宇宙在宏观上有很多问题， such as, how does gravity work? 比如，引力是怎么起作用的？ might be answered by studying these systems. 这些

万物简史 第158期:爱因斯坦的宇宙(1)

Part III A New Age Dawns 第三部 一个新时代的黎明 A Physicist is the atoms way of thinking about atoms. -Anonymous 物理学家就是以原子的方式来考虑原子的人。无名氏 8 Einsteins Universe 第八章 爱因斯坦的宇宙 As

万物简史 第168期:爱因斯坦的宇宙(11)

At the same time he had fallen in love with a fellow student, a Hungarian named Mileva Maric. In 1901 they had a child out of wedlock, a daughter, who was discreetly put up for adoption. Einstein never saw his child. Two years later, he and Maric wer

万物简史 第166期:爱因斯坦的宇宙(9)

But the landmark eventthe dawn of a new agecame in 1905, when there appeared in the German physics journal Annalen der Physik a series of papers by a young Swiss bureaucrat who had no university affiliation, no access to a laboratory, and the regular

万物简史 第165期:爱因斯坦的宇宙(8)

Remarkably, and despite his findings, when the twentieth century dawned Michelson counted himself among those who believed that the work of science was nearly at an end, with only a few turrets and pinnacles to be added, a few roof bosses to be carve

万物简史 第161期:爱因斯坦的宇宙(4)

Undauntedwell, perhaps mildly dauntedPlanck turned to other matters. 普朗克没有泄气哎呀，也许稍稍有点胆怯，开始把注意力转向别的问题。 Planck was often unlucky in life. 生活中，普朗克屡遭不幸， His beloved f

万物简史 第159期:爱因斯坦的宇宙(2)

In 1875, when a young German in Kiel named Max Planck was deciding whether to devote his life to mathematics or to physics, he was urged most heartily not to choose physics because the breakthroughs had all been made there. The coming century, he was

万物简史 第32期:走进太阳系(10)

Of course we have no prospect of such a journey. A trip of 240,000 miles to the Moon still represents a very big undertaking for us. A manned mission to Mars, called for by the first President Bush in a moment of passing giddiness, was quietly droppe

万物简史 第45期:埃文斯牧师的宇宙(9)

So when a hopeful and softspoken minister got in touch to ask if they had any usable field charts for hunting supernovae, the astronomical community thought he was out of his mind. At the time Evans had a ten-inch telescopea very respectable size for

万物简史 第42期:埃文斯牧师的宇宙(6)

On January 15, 1934, the journal Physical Review published a very concise abstract of a presentation that had been conducted by Zwicky and Baade the previous month at Stanford University. 1934年1月15日，《物理学评论》杂志刊登了一篇论

万物简史 第28期:走进太阳系(6)

So if Pluto really is a planet, it is certainly an odd one. It is very tiny: just one-quarter of 1 percent as massive as Earth. If you set it down on top of the United States, it would cover not quite half the lower forty-eight states. 因此，如果冥

经济学人240:心理 太不公平啦!

1. illustrate v . 说明；表明；给加插图 Protectionist tariffs and farm subsidies illustrate the same problem . 贸易保护关税和对农场的补助也说明了同样的问题。 2. tolerate v . 容许；承认；忍受 Businesses that dep

英语悠选脱口秀 第83期:宇宙钢铁侠

讲解 Todays key word is Musk Musk 麝香 Musk is a substance with a strong smell which is used in making perfume. Here is an example: Musk is used for perfumes and stimulant(兴奋剂). 麝香可以用作香料和兴奋剂。 今天我们要说的这

霍金回应“单向”成员单飞：进入平行宇宙

What is the cosmological effect of singer Zayn Malik leaving the best-selling boy band One Direction and consequently disappointing millions of teenage girls around the world? 歌手泽恩马利克退出热门的单向男孩乐队，进而导致数以百

TED演讲：宏观历史(2)

So here's a great puzzle: in a universe ruled by the second law of thermodynamics, 所以，这就是个大谜团：在宇宙中，在被热力学第二定律规范下， how is it possible to generate the sort of complexity I've described, 怎么样才

TED演讲：宏观历史(4)

And this is how it works. Gravity is more powerful where there's more stuff. 这就是它怎么运作的。重力场的作用力更大，拥有比较多的物质。 So where you get slightly denser areas, gravity starts compacting clouds of hydrogen

万物简史 第234期:马斯特-马克的夸克(6)

Particle physics, in short, is a hugely expensive enterprisebut it is a productive one. Today the particle count is well over 150, with a further 100 or so suspected, but unfortunately, in the words of Richard Feynman, it is very difficult to underst

万物简史 第241期:马斯特-马克的夸克(13)

Hubble realized that this could be expressed with a simple equation, Ho = v/d (where Ho is the constant, v is the recessional velocity of a flying galaxy, andd its distance away from us). Ho has been known ever since as the Hubble constant and the wh