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Project Mercury: The American Space Program Begins SHIRLEY GRIFFITH: EXPLORATIONS -- a program in Special English by the Voice of America. (SOUND) That announcement was made May fifth, nineteen sixty-one. It was the first manned flight of project Mer

发表于:2018-12-07 / 阅读(153) / 评论(0) 分类 2012年VOA慢速英语(七)月

Studies that will be released today show that fish, birds and mammals in New England have significant amounts of mercury in their bodies. The studies find the toxic metal in some unexpected habitats and they suggest that power plants in the Midwest a

发表于:2018-12-17 / 阅读(242) / 评论(0) 分类 2009年NPR美国国家公共电台7月

The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a

发表于:2018-12-19 / 阅读(157) / 评论(0) 分类 彭蒙惠英语

Welcome to the Science Talk, the weekly podcast of Scientific American posted on February 18th, 2010. I am Steve Mirsky. And you know what the hottest sport in the world is right now? Thanks to the Winter Olympics, it is, of course, curling. That's t

发表于:2018-12-24 / 阅读(143) / 评论(0) 分类 Scientific American(二)月

A very loud bang,I was sitting right on the side where the engine is, ah,the loud bang with a little bit flare for a short time and the engine was shut up pretty much immediately from the flight deck. Ah,on flight I analysed the situation.Ah,thanks t

发表于:2019-01-08 / 阅读(158) / 评论(0) 分类 CNN2010年(十一)月

How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today they are known

发表于:2019-01-12 / 阅读(127) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today

发表于:2019-01-12 / 阅读(137) / 评论(0) 分类 2013年VOA慢速英语(四)月

Quantum communication boasts ultra-high security as a quantum photon can neither be separated nor duplicated. It is hence impossible to wiretap, intercept or crack the information transmitted through it. Anton Zeilinger, an Austrian physicist at the

发表于:2019-01-19 / 阅读(190) / 评论(0) 分类 2016CRI中国国际广播电台

Random numbers are hugely important for modern computing. They're used to encrypt credit card numbers and emails. To inject randomness into online gaming. And to simulate super complex phenomena, like protein folding or nuclear fission. But here's th

发表于:2019-01-20 / 阅读(152) / 评论(0) 分类 2016年Scientific American(九)月

Books and Arts; Quantum physics 文艺;量子物理学 House of dreams;Scientists race to explain why the Higgs boson matters 想象的殿堂;科学家竞相解释为什么希格斯玻色子至关重要 Higgs Force: The Symmetry-Breaking Force

发表于:2019-01-26 / 阅读(222) / 评论(0) 分类 经济学人文艺系列

Books and Arts; Book Review; Fundamental physics; Big bang; 文艺;书评;基础物理学;宇宙大爆炸; Popular physics has enjoyed a new-found regard. Now comes a brave attempt to inject mathematics into an otherwise fashionable subject 科

发表于:2019-01-27 / 阅读(192) / 评论(0) 分类 经济学人文艺系列

SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The Goldman Environmental Prize By Broadcast: Tuesday, May 11, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm B

发表于:2019-01-30 / 阅读(279) / 评论(0) 分类 科技之光

The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying

发表于:2019-01-31 / 阅读(161) / 评论(0) 分类 英语新闻

The U.S. space agency NASAs Messenger probe(正直的,廉洁的 ) is scheduled to reach Mercury later this week, and become the first spacecraft to orbit the planet closest to the sun. During Messengers year-long orbital mission, scientists exp

发表于:2019-02-05 / 阅读(148) / 评论(0) 分类 英语新闻

The U.S. space probe MESSENGER is poised to enter orbit around Mercury(水银) early Friday, Universal time, capping a nearly seven-year journey to the solar systems innermost planet. Scientists with the U.S. space agency, NASA, hope the orbiting

发表于:2019-02-05 / 阅读(139) / 评论(0) 分类 英语新闻

Ever wanted to be an astronaut? Imagine it was you, who was heading to the hot zone of the two inner planets, where would you go? What would you see? And how would you survive? The latest robotic machines have revealed more about these worlds than ev

发表于:2019-02-05 / 阅读(194) / 评论(0) 分类 自然百科2012年

By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-

发表于:2019-02-06 / 阅读(213) / 评论(0) 分类 VOA常速英语2008年(二月)

On earth, Hawaii has some of the most spectacular shield volcanoes that are very similar with the volcanoes we see on Venus. The huge gently sloped volcanoes of Hawaii may be impressive. On Venus there are at least 150 ranging from this size to ten t

发表于:2019-02-15 / 阅读(179) / 评论(0) 分类 自然百科2012年

Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by

发表于:2019-02-15 / 阅读(279) / 评论(0) 分类 自然百科2012年

Science and technology 科学技术 Cryptography 密码术 The solace of quantum 量子之慰 Eavesdropping on secret communications is about to get harder 现在想窃听秘密联系会越来越难 CRYPTOGRAPHY is an arms race between Alice and Bob,

发表于:2019-02-24 / 阅读(200) / 评论(0) 分类 经济学人科技系列
学英语单词
a ghost town
adjust to zero
agorot
alyea
anthrax bacillus
appointment and dismissal
automatic circular knitter
ballistic gelatin
bibliomaniac
blackjack bearing series
blow off line
bond-buying
brush aeration
Caraquenian
Cecidomyia
classification of industry branches
collyrial
come low
convective transfer
cut two ways
cylinder array
cylinder with inserted liner
desmiognathic parasite
duchesse set
election-winner
emulsion cosmetic
engine run
Enya
eons
family carapidaes
Ficus virens var. sublanceolata
filing date
flexible disk coupling
format vertical
generalized solvable group
give a chance
glucose formate agar
goyische
have no difficulty with
hawse-piece
howell bunger valve
Hubli
hug it out
hypertext organization
hypoelectrolytemia
immersion filter
inkstone
Insurance Items
Kozeny-Carman equation
latex agglutination inhibition test
living will code
lvfas
macroorganism
majority judgment
manyear
mechanics in the earth's crust
moderatorlattice
modulator band filter
multiple domain names
multiple key database
Newton-Laphson iteration
Olah
organ of Leydig
oversimplifies
percentage by weight
Phased array.
phono-selectoscope
PLA (programmed logic array )
pleural ossification
prefused eutectic
private acts of parliament
pulse jet intermittent duct
pygophora trimaculata
rathaus
re tighten
reperpetrating
roller painter
saleable high
sgm (segmentation message)
shammeses
shift out stake
singlestage
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spinifer
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stamping form
striding gait
suffiction
sweep clean
Thatcheresque
the stuff of legend
theodicean
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trigger action reelay
U.S.A. screw thread
unstatistical
wayne
weight number
winning configuration
wood-
Xmases