费密相互作用

unit10 The Art of Smart Guessing 巧妙猜测的艺术

The Art of Smart Guessing Several years ago, interviewing candidates for a job, I grew tired of asking What experience do you have? So I decided on a one-question quiz to find out how resourceful a thinker the new hire might be. Here it is: You are o

发表于:2018-12-07 / 阅读(31) / 评论(0)

午后咖啡

TED演讲:估算大数目的妙诀(1)

Whether you like it or not, we use numbers every day. 不管你喜不喜欢，我们每天都会用到数字。 Some numbers, such as the speed of sound, are small and easy to work with. 有些数字比如音速，数值不大，容易计算。 Other

发表于:2018-12-18 / 阅读(32) / 评论(0)

TED演讲教育篇

名人轶事:Oppenheimer and Fermi

By Jerilyn Watson Broadcast: November 14, 2004 (THEME) VOICE ONE: I'm Sarah Long. VOICE TWO: And I'm Steve Ember with People in America in VOA Special English. Today we report about two scientists, J. Robert Oppenheimer and Enrico Fermi, who helped l

发表于:2019-01-02 / 阅读(48) / 评论(0)

名人轶事

PEOPLE IN AMERICA - Oppenheimer and Fermi

PEOPLE IN AMERICA - Oppenheimer and Fermi By Jerilyn Watson Broadcast: Sunday, November 14, 2004 (THEME) VOICE ONE: I'm Sarah Long. VOICE TWO: And I'm Steve Ember with People in America in VOA Special

发表于:2019-01-02 / 阅读(50) / 评论(0)

People in America

VOA慢速英语2009-People in America - Oppenheimer and Fermi: T

VOICE ONE: I'm Sarah Long. VOICE TWO: And I'm Steve Ember with People in America in VOA Special English. Today we report about two scientists, J. Robert Oppenheimer and Enrico Fermi, who helped lead the world into the nuclear age. VOICE ONE: It is J

发表于:2019-01-11 / 阅读(58) / 评论(0)

VOA慢速英语2009年（六）月

TED演讲:漫谈时光流逝(1)

You all know this story. 你们都知道这个故事. In the summer of 1950, 在1950年的夏天, Enrico Fermi, the Italian-American physicist Enrico Fermi, 美籍意大利心理学家 and atomic-pile builder, 和原子堆创造者 went to lunch at L

发表于:2019-02-14 / 阅读(34) / 评论(0)

TED演讲科学篇

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学英语单词

adenine flavin dinucleotide

auxiliary connecting rod