万物运行的奥秘.ppt

1、Name: 张寒洁（ Zhang HanJie ）Office: 12-4271 (YvQuan)Laboratory: 12-230, 234, 240, 242, 245 (YvQuan)E-mail: zhj_,About my research work,VT-SPM 超高真空多功能表面测试系统（Omicron）,Perylene on Ag(110), 15nmx15nm,Tetracene on Ag(110), 15nmx15nm,high resolution STM image of FePc on Cu (1 0 0) in the tilted adsorption mo

2、del,Question: What is physics?,物理：格物致理,“物理”在汉英词典中的解释 1.the nature or laws of things 2.physics,What is the truth of nature?,I can safely said (that) nobody understands quantum theory. Paul Adrien Maurice Dirac （1902 - 1984）,Is physics omnipotent (万能的)?,I believe that a scientist looking at nonscienti

3、fic problems is just as dumb as the next guy. by Richard Feynman,Story of professional,Question: Why you are here?,What is the basic purpose of study or research?,A plea for pure scienceBy H. A. ROWLANDPROFESSOR OF PHYSICS IN JOHNS HOPKINS UNIVERSITY.ADDRESS OF H. A. ROWLAND OF BALTIMORE,MD., VICE-P

4、RESIDENT OFSECTION B, AUG. 15, 1883,to American science is a thing of the future, and not of the present or past ; and the proper course of one in my position is to consider what must be done to create a science of physics in this country, rather than to call telegraphs, electric lights, and such co

5、nveniences, by the name of science. I do not wish to underrate the value of all these things : the progress of the world depends on them, and he is to be honored who cultivates them successfully. So also the cook who invents a new and palatable dish for the table benefits the world to a certain degr

6、ee ; yet we do not dignify him by the name of a chemist.,To have the applications of a science, the science itself must exist. Should we stop its progress, and attend only to its applications, we should soon degenerate into a people like the Chinese who have made no progress for generations, because

7、 they have been satisfied with the applications of science, and have never sought for reasons in what they have done. The reasons constitute pure science. They have known the application of gunpowder for centuries ; and yet the reasons for its peculiar action, if sought in the proper manner, would h

8、ave developed the science of chemistry, and even of physics, with all their numerous applications. By contenting themselves with the fact that gunpowder will explode, and seeking no further, they have fallen behind in the progress of the world ; and we now regard this oldest and most numerous of nat

9、ions as only barbarians（野蛮人）.,Course Lectures:Monday Evening, 18:30 20:55 p.m.W1-417 (Class Room),Welcome to the Class “How Things Work” Spring 2013,About How things work,Assigned textbook: Part of copies from How Things Work:The Physics of Everyday Life (2nded) By Louis A. Bloomfield Associated web

10、 site: .htw Course Web Site (Download slides of the Course): 22/gp usename:wwyx password: wwyx Another Truly Excellent Reference: Physics, A Window on our World By Jay Boleman,About How things work,Homework:Questions and discussions in the Class Report: Something interesting around

11、you, advice or suggestion for How things work.,Final Exam:The Contents in the Class,Course Philosophy,A fun “kitchen cabinet” course Understanding Science (Physics) by examine how things work from our surroundings Learn the scientific way of thinking,Curriculum requirement,Strong Curious to each phe

12、nomena in the nature Thinking and Questions（the questions in class）,No think No question No progress!,How to pass the curriculum: Attending every lecture Answer my question Write a course paper,Learn to Enjoy,Enjoy the Class Enjoy Yourself Enjoy Your Life,Learn by critical and creative thinking !,So

13、mething in General,Science and Experiments,Science and Arts,Can you find anything wrong?,Anything wrong?,Experimental Science,Length (meter, m),Length (meter, m),The distance between earth and Vega (织女星)?,trigonometric parallax (三角视差法 ),26.5 light-year,Experimental Science,Mass (kilogram),Galaxy: (1034 kg) Sun: (1030 kg) Earth: (1024 kg),Person: (101 kg) Atom: 1 u = 1.661 x 10-27 kg Electron: (10-31 kg),Question: How to measure the mass of the Galaxy?,Question: Mass of an electron?,Find the answer yourself!,Question: What is the