标签：physicist 相关文章
Black holes got their name because light can't escape them, beyond a certain radiusthe event horizon. But in 1974 Stephen Hawking proposed that quantum effects at the event horizon might cause black holes to benot completely black. Hawking said that
2016年Scientific American(八)月
Unit 95 Scientists Look Forward to the Past Can time travel really be done? Physicists think that travel into future is possible. Einstein's special theory of relativity, published in 1905, predicted that time should be elastic, stretching or shrinki
英语流行话题阅读：语境识词4500
Unit 25 The Art of Smart Guessing Several days ago, interviewing job candidates, I grew tired of asking What experience do you have? I decided on a quiz to find out how resourceful a thinker the new hire might be. Here it is: You are on a yacht saili
英语流行话题阅读：语境识词4500
Unit 42 Answer to the Mystery of Life Is Four Scientists have found a simple mathematical relationship that connects the whole nature, from the tiniest cell to the vast forest of the Amazon. The connections are all based on the three dimensions of th
英语流行话题阅读：语境识词4500
Unit 43 What Caused the K-T Mass Extinction? The latter part of the Cretaceous Period was a time of continental drift and accompanying volcanic activity. The supercontinent was splitting up and the continents were taking on their modern-day forms. Ma
英语流行话题阅读：语境识词4500
《英语流行话题阅读:语境识词3500》Unit97:求职中的性格测试
英语语境识词
Male and female actors gave physics lectures to college students. All students thought the males were more knowledgeable. And whereas female students gave a a slight nod to women teachers, male students thought male teachers were vastly better. Why a
60秒科学
This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke
2005年NPR美国国家公共电台
By David McAlary Washington 18 February 2007 The U.S. space agency NASA has launched five satellites - the most ever from one rocket - to locate the source of energy in Earth's magnetic field that triggers the colorful, dancing auroras over the north
2007年VOA标准英语（二月）
President-elect Barack Obama's nominee for energy secretary, Nobel Prize-winning physicist Steven Chu, said if confirmed he will pursue policies to address climate change and reduce U.S. dependence on foreign oil. Energy Sec.-designate Steven Chu te
VOA标准英语2009年(一月)
South Africa Leads Continent in Nuclear Development 南非领先非洲大陆核能研发 JOHANNESBURG South Africa is Africas only nuclear power, and the first nation to have voluntarily relinquished its nuclear weapons. The government then committed
VOA标准英语2014年(四月)
(SOUNDBITE OF POEM, IF I UNDERSTOOD YOU, WOULD I HAVE THIS LOOK ON MY FACE?) ALAN ALDA: (Reading) People are dying because we can't communicate in ways that allow us to understand one another. That sounds like an exaggeration, but I don't think it is
2017年NPR美国国家公共电台6月
Swinging Physics: Potential And Kinetic Energy Working Together 动能与势能相互作用 动能是所有能看到的运动的能量，包括物体的，微粒的或质点集的运动等。 势能(Potential energy )是位置的函数，例如把一个
英语听力文摘 English Digest
Weve recently been talking about the Fermi Paradox, attributed to Nobel-winning physicist Enrico Fermi. According to reasonable estimates of how many stars have planets, how many planets may be suitable for the evolution of organisms, and so on, our
英语听力文摘 English Digest