引力成团说

Bill GatesKeynote Speech at Microsoft Professional Developers Conference 比尔.盖茨在北京微软专业开发人员大会上的演讲 Good morning. It's a great pleasure to be here. Today is a major milestone for Microsoft as our first Developers

发表于:2018-12-01 / 阅读(113) / 评论(0) 分类 六级英语晨读经典

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(93) / 评论(0) 分类 Scientific American(七)月

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(73) / 评论(0) 分类 2016年VOA慢速英语(二)月

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(103) / 评论(0) 分类 2017年Scientific American(三)月

High above your head, in the centre of our Milky Way Galaxy, a violent drama is about to unfold. Our super-massive black hole is getting ready to have dinner. As a gas cloud three times the size of the Earth, its caught in its gravitational hold. Acr

发表于:2019-01-23 / 阅读(61) / 评论(0) 分类 探索与发现2013年

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(65) / 评论(0) 分类 万物简史

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(78) / 评论(0) 分类 万物简史

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(114) / 评论(0) 分类 英语新闻

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(116) / 评论(0) 分类 英语新闻

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(69) / 评论(0) 分类 英语新闻

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(88) / 评论(0) 分类 英语新闻

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(99) / 评论(0) 分类 英语新闻

Close encounter four: the Algarve, 遭遇四:阿尔加瓦 Portugal, 1991. 葡萄牙,1991. Some years later, I and this woman -- 许多年过后,我和这个女人-- we'll call her Catherine Fletcher -- 我们将称她为Catherine Fletcher- went trave

发表于:2019-02-14 / 阅读(75) / 评论(0) 分类 TED演讲科学篇

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(104) / 评论(0) 分类 经济学人科技系列

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(81) / 评论(0) 分类 经济学人综合

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(66) / 评论(0) 分类 GRE英语

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(172) / 评论(0) 分类 GRE英语

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:2019-02-21 / 阅读(105) / 评论(0) 分类 2016CRI中国国际广播电台

As altitude increases, atmospheric pressure decreases. This is due to Earth's gravitational pull on the air molecules in the atmosphere. The closer to the Earth's surface the stronger the force exerted on these molecules. 随着高度上升,大气压

发表于:2019-02-22 / 阅读(78) / 评论(0) 分类 留美老师带你每日说英文

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(92) / 评论(0) 分类 GRE英语
学英语单词
abstract algebra manifold
abu zabad
Actinidia tetramera
agua toads
antihalation undercoat
arave
astragal
avana
bimah
biodeposit
bradaczekite
bridezillas
bullnose stretcher
burnt off
bursting expansion
Calamus compsostachys
calstrom
carbazochrome
Chainat, Changwat
choosing up
chunklets
citrate soluble phosphate
collision strut
conflict regulation theory
corn-merchant
cost map
diplostomiasis
ecological terrorist
EFTO
emplastra plumbi in massa
endosomolysis
entrepots
ersts
eutectoid reaction
example sentence
firecaly
flexible polyvinylchloride
fly wheel effect
formo-cresol solution
grylloblattids
gummings
hardening-agent
have an in
henn
Holywell Bay
hot-wire lighter
hot-wires
humid rock
hyperthymism
industrial atmosphere
infiltration pseudomorph
input-power rating
kaysen
Lemera
lorry-mounted crane
makeup and dressing room
Maricacea
mh-radio beacon
microstylum amoyense
mogitocia
myoclonus epilepsies
notch acuity
obey the helm
Once bitten ,twice shy.
paintmaker
photo-detachment
photophobias
press-in strength
pressure divider
processing of documents
profile lift
random distortion
rhenium(vi) oxide
rodegersia podophylla a.gr.
Russie
Sant'Agata de'Goti
saprolegnia unispora
Scleria terrestris
scrape chiller
silk kokura
smoke agent
soleidaes
steering gear check
strait
super-regional
suspensio
tanchuanoleberis menishihia
Tineola
Tlymphocyte
toxigenic diarrhea
transportable breakwater
Triclisieae
tunicae propria tubuli seminiferi
turk-is
ultra optometer
underpaying
Uniform Sale Act
vertical-scale indicator
water power engineering
XDCAM
xerostomias
XylE