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Tales of scientists in China
Introduction: richard feynman: May 11, 1918-February 15, 1988. American physicist who studied at MIT and Princeton. Participated in the Manhattan Project during World War II. He has taught at Cornell University and California Institute of Technology. In 1965, he won the Nobel Prize in Physics for his contribution to quantum electrodynamics. Feynman is not only good at thinking, but also good at teaching. His Lecture Notes on Physics has a great influence all over the world, and physics students and teachers have benefited a lot from it.

famous saying: it is difficult for people who don't know mathematics to really understand the deepest beauty of nature.

There are two kinds of geniuses in the world, one is an "ordinary" genius, and the other is a "magical" genius like a magician. As long as you and I are several times smarter, we can be compared with ordinary geniuses, but geniuses as magical as magicians are different. How their brains work is beyond our comprehension in any case. It is as difficult to analyze their thoughts as to see through how magicians perform tricks. Therefore, in the eyes of outsiders, magical geniuses are all "ghosts" with absurd language, eccentric behavior and superior wisdom. And Charlie? 6? Feynman can be said to be a rare scientific genius in human history for thousands of years.

Feynman is regarded by many physicists as the greatest empirical physicist after Einstein in the 2th century. When he graduated from graduate school, he participated in the Manhattan project to make the first one in the United States; Later, he taught at California Institute of Technology for about 4 years and won the Nobel Prize in Physics in 1965. In 1986, he only used a glass of ice water and a rubber washer to prove the cause of the accident of Challenger.

However, this physicist is famous for more than that. His bongo drum skills are superb, and he can even replace professional drummers to perform. He can also sell his works like a real painter; He is an expert in opening safes; He likes to study scientific problems in bars. In a word, his talent, his humor, and his spontaneous pranks have made his life colorful. At the same time, his growth and achievements also contain many thought-provoking revelations. The following story is about Feynman and ants.

People often meet some uninvited insect friends, and those swarms of ants who are in a hurry are also frequent visitors in human homes. What do you think of these little ants who are not so afraid of you? Did you crush it and pretend not to see it? Or observe them like Feynman, the master of physics?

Richard? 6? Feynman, born in the United States in 1918, is a seemingly unreachable scenery figure with childlike curiosity and innocence. When he was a graduate student at Princeton University, he watched the ants on the Ivy League with a magnifying glass. When he saw the ants patting and patting the aphids with their feet, the aphids secreted honey dew. Then the ants lifted a drop of honey dew, bit it and sucked it in. At this time, the young Feynman shouted excitedly because he confirmed what his father had told him and witnessed this interesting phenomenon with his own eyes. Introduction: Wang Ganchang (197-1998) is a famous nuclear physicist, one of the founders and pioneers of nuclear science in China, an outstanding scientist, and China's "two bombs and one satellite".

famous saying: be a scientist, not a science officer. At that time, Bert didn't know what kind of radiation it was, so he took a temporary name: "Beryllium radiation". Beryllium radiation has strong penetrating power and does not deflect in electromagnetic field, which is similar to the well-known hard gamma ray at that time, that is, a ray with high frequency and composed of photons. At the meeting of physicists in Zurich in 1931, Bert reported the experimental results and speculated: "Beryllium radiation is probably gamma rays or something."

Wang Ganchang immediately expressed deep doubts when he learned that Bert thought "beryllium ray" was gamma ray. In his view, it is impossible for gamma rays to penetrate a copper plate several centimeters thick. More importantly, Wang Ganchang thinks that it is inappropriate for Bot to use Geiger's counter as a detector in the experiment. He believes that the Geiger counter should be replaced by a cloud chamber, so that new discoveries may be made to find out what "beryllium radiation" is.

For this reason, Wang Ganchang suggested to Professor Maitenaz twice, hoping to re-test Bert's conjecture about "Beryllium radiation" in her laboratory with a cloud room. Unfortunately, Maitenaz didn't agree with Wang Ganchang's suggestion twice, and said to Wang Ganchang, "There is no point in repeating other people's experiments."

In February, 1932, when British physicist chadwick re-examined Bert's Beryllium Radiation experiment in a cloud chamber, as predicted by Wang Ganchang, the abnormal Beryllium Ray was not a gamma ray, but an uncharged neutral particle. Thus, chadwick discovered the fourth elementary particle in human history-neutron, and won the Nobel Prize in Physics in 1935.

Afterwards, Maitenaz said to Wang Ganchang with great regret, "Alas, it's our bad luck!"

Later, Wang Ganchang also jokingly said to people, "If I had insisted on doing this experiment at that time, Wang Ganchang would not be today's Wang Ganchang!"

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