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- W2024577087 abstract "This book developed from a well received course given by the author to first year students at Wesleyan University, Connecticut. The book starts with a discussion of reflection, refraction and rainbows, goes on to general properties of waves, interference and diffraction, and then on to special relativity, the twin effect and the Lorentz transformation, with a digression on radioactivity. There are numerous excellent diagrams, and the mathematics (all pre-calculus) is presented very clearly. The following are a few quotations from the book intended to give some idea of its coverage. In the preface ``Demonstrations are a vital part of my teaching, and that is one reason why I so often teach about light: the demonstrations work (for there is no friction!), and they are often beautiful.When I ask my students for advice about the course, one of the questions has been this: If there has been a topic or demonstration that you particularly enjoyed, tell me that, too. [One] student had this to say in response: `Mostly, the demonstrations are a GREAT way of seeing what you say - without them, I don't know how I'd learn any of it, or believe you.' I agree, and I wouldn't know how to give a lecture without some props. Beyond that, all of us enjoy the demonstrations and they provide something to look forward to when the alarm clock goes off for an early morning class.'' There appears to be a regrettable recent tendency to move away from real demonstrations towards computer simulations. If this book achieves nothing other than encouraging the use of demonstrations, it will have made a valuable contribution. And for a do-it-yourself demonstration, the author points out that `You do not need any special apparatus to see single-slit interference. A street light or even a car headlight at 100 meters can serve as a light source. Your index and middle fingers...form the slit...'. If you need more details see the book. Another do-it-yourself demonstration of interference is to observe the lights of an approaching car though the fabric of an open umbrella: at large distances a single maximum is seen: as the car gets nearer the point splits and the two lights are resolved. To quote the author again `I am embarrassed to confess how often I have stopped along a street, struck by a particularly good light source, and checked that light still shows interference and that it is indeed a wave phenomenon.' I, too, enjoy making such observations, and hope you do as well. Considerable use is made of helpful quotations. The following, on the importance of good experimental technique, is from Compton, reporting in 1923 on his test to establish the validity of the theory of his Effect: ``I was afraid of being influenced by finding what I was looking for, so I got to help me in the laboratory an assistant who did not know at all what I had in mind. I made the spectrometer settings, while he took the readings. Not knowing what we were looking for, he felt that the readings were very erratic. After the experiment was over, he remarked to me: `It was too bad, wasn't it, Professor, that the apparatus wasn't working so well today?' He was disturbed by the fact that the readings went up and down, and he had no idea that they were just the kind of thing I wanted.'' Reviewing this book has been a pleasure. It should be accessible to sixth form students and first year undergraduates, will refresh the memories of mature graduates, and be an invaluable aid to anyone teaching a related course. It is a must for every library. Peter Borcherds" @default.
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- W2024577087 date "2002-02-25" @default.
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- W2024577087 title "Newton to Einstein the trail of light: An Excursion to the Wave-Particle Duality and the Special Theory of Relativity" @default.
- W2024577087 doi "https://doi.org/10.1088/0143-0807/23/2/702" @default.
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