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SSS 2008-10-07

时间:2010-05-15 02:33来源:互联网 提供网友:木渐浅。   字体: [ ]
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    (单词翻译:双击或拖选)

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ?

 

The 2008 Nobel Prize in physics goes to an American and two Japanese scientists for work related to symmetry in particle physics.

In the early 1960s, Yoichiro Nambu of the Enrico Fermi Institute in Chicago developed a mathematical description of what is known as spontaneous broken symmetry related to subatomic particles. The breaking of symmetry scrambles1 the underlying2 order of nature. Nambu’s work was instrumental in some unscrambling, namely the later unification of three of the four basic forces—the weak force, strong force and electromagnetism.

The other laureates are Makato Kobayashi of the High Energy Accelerator Research Organization in Tsukuba, Japan, and Toshihide Maskawa of the Yukawa Institute for Theoretical Physics in Kyoto. They discovered different broken symmetries in the early 1970s, which predicted the existence of three kinds of quarks, which were later discovered. Their kind of broken symmetry is at the heart of the big bang. Full symmetry would have snuffed the Big Bang, but a tiny deviation3 of an extra matter particle for every 10 billion matter-antimatter particle pairs is apparently4 what allowed the universe to come into existence.

 

Thanks for the minute for Scientific American's 60-Second Science. I'm Steve Mirsky .

 


点击收听单词发音收听单词发音  

1 scrambles 897debfbc1dc16dec3f2dd3922788177     
n.抢夺( scramble的名词复数 )v.快速爬行( scramble的第三人称单数 );攀登;争夺;(军事飞机)紧急起飞
参考例句:
  • The breaking of symmetry scrambles the underlying order of nature. 对称性的破坏会打乱自然界的根本秩序。 来自互联网
  • The move comes as Japan scrambles for ways to persuade women to have more babies. 这一行动的出现正值日本政府想尽各种办法鼓励妇女多生育孩子。 来自互联网
2 underlying 5fyz8c     
adj.在下面的,含蓄的,潜在的
参考例句:
  • The underlying theme of the novel is very serious.小说隐含的主题是十分严肃的。
  • This word has its underlying meaning.这个单词有它潜在的含义。
3 deviation Ll0zv     
n.背离,偏离;偏差,偏向;离题
参考例句:
  • Deviation from this rule are very rare.很少有违反这条规则的。
  • Any deviation from the party's faith is seen as betrayal.任何对党的信仰的偏离被视作背叛。
4 apparently tMmyQ     
adv.显然地;表面上,似乎
参考例句:
  • An apparently blind alley leads suddenly into an open space.山穷水尽,豁然开朗。
  • He was apparently much surprised at the news.他对那个消息显然感到十分惊异。
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