引力时间延缓

South Carolina Republican lawmaker Lindsey Graham is seeking the GOP presidential nomination. In his hometown of central South Carolina, Graham says he wants to president to confront radical Islam which he says is running wild, to take on the country

发表于:2018-12-18 / 阅读(121) / 评论(0) 分类 2015年NPR美国国家公共电台6月

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(129) / 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(113) / 评论(0) 分类 2016年VOA慢速英语(二)月

But the faster you go, the more time dilates. 但是行驶的速度越快,时间的膨胀越多。 For astronauts orbiting the Earth for 800 days, it starts to add up. 如果宇航员们环绕地球800天,其影响就会明显。 But what affects

发表于:2019-01-17 / 阅读(98) / 评论(0) 分类 TED演讲教育篇

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(145) / 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(99) / 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(99) / 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(155) / 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(147) / 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(160) / 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(101) / 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(127) / 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(144) / 评论(0) 分类 英语新闻

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(140) / 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(123) / 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(104) / 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(218) / 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(141) / 评论(0) 分类 2016CRI中国国际广播电台

Eye spy, on this moment of science. You see at a movie's, someone is asked for identification, instead of producing a badge or picture, they simply look into a camera. Hollywood special effect department then show us lots of needle computer graphics.

发表于:2019-02-24 / 阅读(127) / 评论(0) 分类 英语听力文摘 English Digest

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(124) / 评论(0) 分类 GRE英语
学英语单词
-tropy
actualisation
ADCAP
ahman
American snakebird
Ancistrocladus
angiulo
angry with
antiassimilationist
as though
aspherical mirror
audiographics
AutoHotkey
ball variometer
barron-welshart scale
be similar to
bowler-hat
Burgasko Ezero
butenediol
C.G.S. unit
canned format
chiswell
comparative microbiology
constitutional committee
cucurbita pepoes
cymatoceratids
dark tint face
defilee
degenerately
digital-analog converters
double-throw disconecting switch
eastern malayo-polynesians
embryologia
escortings
euphuistic, euphuistical
explicit reciprocity law
Fine Gael
fire caly crucible
full - size car
general peripheral controller
germ ring
handa
happy birthday to me
hittner
horizontal boat
hydroelectric generating station
hypengyophobia
ideal-gas laws
incorrect operation
ippolito
key matrix
malacophilous plant
marginal density
medical social worker
Metaminodiazepoxide
mewa
multielement antenna
neurotoxicities
no-go gauge
nonpolycystic
Nylasint
outskates
paho
palatine raphes
perennialists
phoebe chinensis chun
pictorial relief map
PIN numbers
pitching stability
pop test
POST-LA
power factor
power jackknifing
preshape
propreantepenult
punch board
quantitative analysis of dynamics
radio aid to navigation
renavigating
rhythmlessly
ringing cut-off relay
Schwindkirchen
scum of the earth
semus
simulation of scattering density
siphuncles
Sorgwǒn-gun
Spanyard
sticketh
suspending pipe carrier
sympathetic damage
synthetic houttuynine
two-lip seal
undersea surveillance
unit of fit
unrefilled
usb floppy
vulgarizes
wardak
water filtration tank
water-leaf
Waveney, River