爱因斯坦引力场方程

EXPLORATIONS - Isaac Newton: One of History's Greatest Scientists By Marilyn Christiano and Frank Beardsley Broadcast: Wednesday, October 19, 2005 (MUSIC) VOICE ONE: This is Shirley Griffith. VOICE TW

发表于:2018-12-01 / 阅读(257) / 评论(0) 分类 Explorations

阿尔伯特爱因斯坦(1879.3.14-1955.4.18)犹太裔物理学家。他于1879年出生于德国乌尔姆市的一个犹太人家庭(父母均为犹太人),1900年毕业于苏黎世联邦理工学院,入瑞士国籍。1905年,获苏黎世大

发表于:2018-12-04 / 阅读(156) / 评论(0) 分类 英语名人堂

When Stephen Hawking was writing A Brief History of Time, his editors told him that he would lose half of his readers for each equation (方程式) he put in the book. Despite this warning, Hawking found it necessary to include one equation. His choic

发表于:2018-12-04 / 阅读(168) / 评论(0) 分类 人教高中英语高二

Albert Einstein was a German-born physicist, although most people probably know him as the most intelligent person who ever lived. His name has become part of many languages when we want to say someone is a genius, as in the phrase, Shes a real Einst

发表于:2018-12-06 / 阅读(148) / 评论(0) 分类 吉姆老爷.Lord.Jim

Broadcast: Jan 22, 2003 By Marilyn Christiano VOICE ONE: This is Steve Ember. VOICE TWO: And this is Sarah Long with the VOA Special English program, Explorations. Today we tell about a scientist who

发表于:2018-12-07 / 阅读(187) / 评论(0) 分类 VOA2003(上)-科技导航

[00:02.70]Unit 20 New Frontiers [00:06.15]Lesson 3 Scientific Breakthroughs [00:10.11]PIONEERS OF SCIENCE [00:12.16]In the summer of 1905, [00:14.40]a young man was sitting at home [00:15.97]after a day's work. [00:18.04]While rocking his one-year-ol

发表于:2018-12-13 / 阅读(250) / 评论(0) 分类 北师大版高中英语模块7(选修)

Hoverboards Ignore Gravity Can you imagine riding around the streets of your hometown on a skateboard without wheels? In the late 1980s, film director Robert Zemeckis showed a skateboard floating above the ground in his movie Back To The Future Part

发表于:2018-12-16 / 阅读(174) / 评论(0) 分类 2014年VOA慢速英语(十二)月

One hundred years ago today, September (the) 27th, 1905, a physics paper was dropped into the mail, addressed to a German journal called AT. The paper was penned by a 26-year-old Swiss patent clerk with dark curly hair years before he sprouted that s

发表于:2019-01-08 / 阅读(247) / 评论(0) 分类 2005年NPR美国国家公共电台

NASA's GRAIL to Map the Moon The U.S. space agency NASA is preparing to launch a new, nearly half-billion dollar lunar mission that will enable scientists to better understand the moon's gravitational field and the lunar interior, from crust to core.

发表于:2019-01-13 / 阅读(160) / 评论(0) 分类 VOA标准英语2011年(九月)

NASA Probe Proves Einstein Right Albert Einstein was right. The U.S. Space Agency (NASA) released data this week from its Gravity Probe B spacecraft, whose primary mission while in Earth's orbit was to test Einstein's 1916 Theory of Relativity. While

发表于:2019-01-14 / 阅读(252) / 评论(0) 分类 VOA标准英语2011年(五月)

If we could flip a switch and just turn off the Earth's magnetic field, it will take about 15,000 years to disappear, based on the rate of decay of the field that we've seen over the last 150 years. It's currently decaying at a rate that would see an

发表于:2019-01-22 / 阅读(183) / 评论(0) 分类 自然百科2011年

Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen

发表于:2019-01-22 / 阅读(171) / 评论(0) 分类 自然百科2011年

As the vast sphere reaches / maximum speed, something incredible happens. Huge lines of magnetism arc in and out of the model core. Well, we can't see the magnetic field coming out of the experiment, we can measure them, we can put many different mag

发表于:2019-01-22 / 阅读(173) / 评论(0) 分类 自然百科2011年

Larry Newitt from the Geological Survey of Canada charts the movement of the magnetic North Pole as it wanders the icy reaches of northern Canada. To determine where the magnetic pole / is, we can't rely on one single observation. What I try to do is

发表于:2019-01-22 / 阅读(190) / 评论(0) 分类 自然百科2011年

JUDY WOODRUFF: But, first, this week marks the 100th anniversary of the publication of Albert Einstein's greatest work, a series of papers laying out the general theory of relativity. Gwen has a look at how it changed our understanding of the cosmos

发表于:2019-01-27 / 阅读(137) / 评论(0) 分类 PBS访谈教育系列

EXPLORATIONS – Albert Einstein By Marilyn Christiano Broadcast: Wednesday, February 23, 2005 VOICE ONE: This is Steve Ember. VOICE TWO: And this is Sarah Long with the VOA Special English program, E

发表于:2019-01-28 / 阅读(196) / 评论(0) 分类 Explorations

WASHINGTON, May 4 (Xinhua) -- The U.S. National Aeronautics and Space Administration (NASA) announced Wednesday that its Gravity Probe B (GP-B) mission has confirmed two key predictions(预测预言 ) derived from Albert Einstein's general theory

发表于:2019-01-28 / 阅读(200) / 评论(0) 分类 英语新闻

AMERICAN MOSAIC - Einstein's Year / Museums / Grammy Winners By Nancy Steinbach and Caty Weaver Broadcast: Friday, February 18, 2005 (MUSIC) HOST: Welcome to AMERICAN MOSAIC, in VOA Special English. I

发表于:2019-01-28 / 阅读(259) / 评论(0) 分类 American Mosaic

In 1907, or so it has sometimes been written, Albert Einstein saw a workman fall off a roof and began to think about gravity. 1907年,反正有时候书上是这么写的,有个工人从房顶上掉了下来,爱因斯坦就开始考虑引力的问

发表于:2019-02-17 / 阅读(142) / 评论(0) 分类 万物简史

Every object that has mass creates a little depression in the fabric of the cosmos. 凡有质量的物体在宇宙的底垫上都能造成一个小小的凹坑。 Thus the universe, as Dennis Overbye has put it, is the ultimate sagging mattress. 因此

发表于:2019-02-17 / 阅读(133) / 评论(0) 分类 万物简史
学英语单词
4-methyl-2-pentanone
a-lines
abatages
absolute task set
absolutely uniserial algebra
acronotus
active assistant exercise
alivincular
Allium oreophilum
ammonium nitrate fertilizers
aneuploid(y)
aphytal zone
auricular lupus
Autenrieth's salve
be possessed
bisesi
bonds with warrants
box decision
brushing up
central analcptics
chaconnes
change my tune
chronometries
Clodomira
corbicula fluminea
counter-alternate arc
crucible belly
cultural attaches
declinning market
demand chart
device dependent routine
disrobed
dock-glass
duplex pendulum seismograph
eigenvalue problem
eleven hours,eleven o'clock
falker
feeder loss
fire fireclay
fluoroprolines
forebodement
geiger tube plateau
geochemistry of the hydrosphere
germination rate
high pressure piston rod
Horizontal Spread
houses of prostitution
inferior costal facet
infors
interseme
kawara
kinkos
kyble
lead flashing
lijpharts
male pin
methyl para-cresol
mirror drive clutch
mont cervin
Morolong
multiple part form
murages
NCH
net resident population density
newsagencies
noise dampening
non-linear load
nonadversarial
nontragic
numerical symbol
one dollar bills
ophthamoscope
out-of-school
panicled aster
part-ner
part-time application
particle quantifier
Philadelphus coronarius
pin limitation
preprocessing data
pulse-doppler radar jammer (pdrj)
punctualness
regio inframammalis
reguli
samuel f. b. morses
sand control
Seapatrick
self-slaughter
skin redness
space communications
spending pattern
spontaneous angina
structural data model
Tanggok-ri
toged
transversal pressure
Tseldja
tv broadcasting
vibrating road roller
weight unevenness
well-winded
wiremesh-shotcrete-rock bolt support