Science story:

Benjamin Franklin invented the lightning rod.

Franklin's most famous discovery was the unification of sky and earth electricity, which broke people's superstition about lightning. In the process of discharge experiment with Leiden bottle, Franklin could not help but think of lightning in the sky in the face of the flash and crack of electric spark. He realized that the spark in the Leiden bottle might be a small lightning. In order to test this idea, lightning in the sky must be brought to the ground. On a thunderstorm day in July, Franklin made a big kite out of silk. At the top of the kite, a thin iron wire is installed, which is connected to the ground with silk thread. At the end of the silk thread is tied a copper key, which is inserted in a Leyden bottle. Franklin put the kite in the sky, and a flash of lightning struck, only to see the hairs on the silk thread stand up and put his hand close to the copper key, which is an electric spark. The Temple of Heaven was finally caught. Franklin discovered all the phenomena that the Leiden bottle that stored the sky electricity could produce the earth electricity, which proved that the sky electricity and the earth electricity were the same. 1747, Franklin discovered the phenomenon that the tip is easier to discharge from the Leyden bottle experiment. After he discovered the unification of sky electricity and ground electricity, he immediately thought of using the principle of tip discharge to introduce powerful lightning in the sky into the ground to avoid buildings being struck by lightning. 1760, Franklin erected a lightning rod on a building in Philadelphia, and the effect was very remarkable.

Famous scientific sayings

There is no royal road to science, and only those who do not dread the fatiguing climb along steep mountain roads can hope to reach its glorious summit.

Marx

It is much more difficult to turn words into actions than to turn actions into words.

Gorky

Not knowing is not terrible or harmful. No one can know everything. Terrible and harmful, pretending to know but not knowing.

-Tolstoy

Success = efforts+correct methods+less empty talk.

-Einstein

Successful scientists are often people with a wide range of interests. Their originality may come from their erudition. Diversification will make people fresh, while studying in a narrow field for too long will make people stupid.

William Lan Beardmore Beveridge

Every great achievement of science is based on bold fantasy.

Dewey

There is nothing we don't know, we can only say that there are some things that haven't been known yet.

Gorky

Without bold speculation, there will be no great discovery.

newton

Do you love life? Then don't waste time, because time is the material of life.

Franklin

I never remember what was printed in the dictionary. My memory is used to remember things that are not in books.

-Einstein

I can succeed in science, and the most important thing is my love for science and persistence in long-term exploration.

-Darwin

The significance of science

Science is a knowledge system about nature, society and thinking, which is produced and developed by human beings in production and social activities, and is the crystallization of human practical experience. It should be pointed out that for every science, it is usually only a certain stage or a certain form of movement in the development of the objective world. In this sense, most of what science reflects is relative truth. Because science embodies the human knowledge system about nature, society and thinking, science cannot be equated with truth. Absolutization of scientific conclusions is a common mistake of some people who don't understand the nature of science. Lenin said that the sum of countless relative truths is absolute truth, which is an incisive summary of absolute truth. Science can be divided into natural science and social science, and human thinking and understanding belong to this category. Science develops step by step with human understanding, thus perfecting the scientific system of various disciplines. Science includes natural science, social science, thinking science, philosophy, mathematics, physics, chemistry and so on.

Famous scientist in China

1, Qian Xuesen (famous scientist and physicist. One of the founders of modern mechanics in China. He has made many pioneering contributions in the fields of aerodynamics, aviation engineering, jet propulsion, engineering cybernetics, physical mechanics and other technical sciences. )

2. Qian Sanqiang, a nuclear physicist and academician of China Academy of Sciences, has made outstanding achievements in "nuclear fission" and is an interdisciplinary advocate. He has made important contributions to the establishment of atomic energy science and the research of "two bombs" in China.

3. Zhu Kezhen (geographer, meteorologist, master of modern meteorological geography in China, founder and promoter of phenology research in China).

4. Li Siguang (paleontologist, stratigraphy scientist, geotectonist, Quaternary glaciologist. Is the founder of geomechanics in China. "?" The new classification standard of fossils, the establishment of Sinian and Carboniferous stratigraphic systems in southern China, and the discovery and research of Quaternary glaciers in eastern China are his great contributions to geological science. )

5. Yuan Longping (agronomist, hybrid rice breeding expert, the founder of hybrid rice research in China, the first person in the world to successfully use the heterosis of rice. 198 1 won the first national special invention award in China, and was internationally known as the "father of hybrid rice". )

6. Hou (famous scientist, outstanding chemical expert, pioneer of heavy chemical industry in China)

7. Zhou Peiyuan (famous mechanic, theoretical physicist, educator and social activist, one of the founders of modern mechanics in China).

8. Mao Yisheng (famous bridge expert, civil engineer, bridge expert, engineering educator)

Deng Jiaxian (physicist with outstanding achievements in nuclear physics, theoretical physics, neutron physics, plasma physics, statistical physics, fluid mechanics, etc.).

10, Tong Dizhou (biologist, founder of experimental embryology in China)

1 1, Qian Weichang (famous mechanic, applied mathematician, educator and social activist. He is one of the founders of modern mechanics in China. He also specializes in applied mathematics, physics and China informatics, and has written a lot. Especially in the fields of elasticity, variational principle and perturbation method. )

12, Yan Jici (physicist and educator, one of the founders of modern physics research in China. )

13, Wu (physicist, founder of modern physics in China, educator)

14, Yuzhe Zhang (China modern astronomer, discoverer of "China" asteroid. )

15, Tang (microbiologist, the first person to isolate trachoma virus in the world, known as "Down virus").

16, Ding Ying (famous agricultural scientist, educator and rice expert, the main founder of modern rice science in China. )

17, Liang (forestry scientist)

18, Lin (the first female academician of China Academy of Sciences, a famous gynecologist). )

19, Zhang (academician of China Academy of Sciences, member of the Standing Committee of Chinese People's Political Consultative Conference, etc. He has been engaged in internal medicine teaching and scientific research for a long time and is the founder of digestive medicine in China. He has treated many intractable diseases in his life. )

20. Wu Jieping (physician, medical educator, one of the pioneers of urology in China, has made outstanding contributions to urology and male family planning. )

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