Download e-book for iPad: A Century of Ideas: Perspectives from Leading Scientists of by Fred Hoyle (auth.), Dr. B. G. Sidharth (eds.)

By Fred Hoyle (auth.), Dr. B. G. Sidharth (eds.)

ISBN-10: 1402043597

ISBN-13: 9781402043598

ISBN-10: 1402043600

ISBN-13: 9781402043604

Shortly after its inauguration in 1985 the Birla technology Centre, Hyderabad, India, all started a chain of lectures by way of Nobel Laureates and different scientists of foreign renown, often in Physics and Astronomy, occasionally in existence Sciences and Chemistry.

The current assortment ordinarily involves lectures on frontier issues. The transcript of every lecture is preceded by way of a quick biography of the Nobel Laureate/Scientist in question.

The lectures are geared toward, and available to a large non-specialist yet greater expert audience.

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Extra resources for A Century of Ideas: Perspectives from Leading Scientists of the 20th Century

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Each section is a cylindrical 38 Simon van der Meer Fig. 7. Typical linac structure. Each section consists of gaps as in Fig. 1, powered by a high-frequency tube (Klystron). After the passage of the particles, the remaining electromagnetic energy is dissipated in the termination tube, with so-called “irises”: transverse diaphragms with a central hole through which the beam passes. The fields set up in this structure have the general shape shown in Fig. 2. The structure is “filled” with field by connecting one side of it to a high-frequency power source (transmitting tube, or “Klystron”).

Also, for high energy, the machines tend to become very long. One linear electron-positron collider exists; it is called SLAC and located at Stanford (USA). As Fig. 6 shows, it is somewhat special; a single linear accelerator is used (3 km long). Electrons and positrons have opposite charge, but can both be accelerated in the same machine because they pass at slightly different times, so that they see opposite electric fields (Fig. 2). At the end of the linac, the electrons and positrons are deflected through different, opposite, circular paths to the interaction point.

So there’s the problem. I just mention here that one tends to give these figures for the western world or for the average and I want to point out the enormous difference between various countries. 7%. In Africa and India and many Latin American countries and so on even this is going up to enormous proportions and as you know in rural India it is almost the main fuel. But that is running out too. The trees are disappearing just as the oil is disappearing. I submit that there are really only two solutions to these problems in the long term.

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A Century of Ideas: Perspectives from Leading Scientists of the 20th Century by Fred Hoyle (auth.), Dr. B. G. Sidharth (eds.)

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