By Fred Hoyle (auth.), Dr. B. G. Sidharth (eds.)
Shortly after its inauguration in 1985 the Birla technological know-how Centre, Hyderabad, India, begun a chain of lectures via Nobel Laureates and different scientists of overseas renown, frequently in Physics and Astronomy, occasionally in existence Sciences and Chemistry.
The current assortment typically includes lectures on frontier subject matters. The transcript of every lecture is preceded by means of a brief biography of the Nobel Laureate/Scientist in question.
The lectures are aimed toward, and available to a large non-specialist yet greater knowledgeable audience.
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Additional info for A Century of Ideas: Perspectives from Leading Scientists of the 20th Century
We need not worry about this detail today. The title of my talk should have been OUR EARLY UNIVERSE not THE EARLY UNIVERSE. Many cosmologists, and I am one of them, believe that our universe is just an expanding bubble in an otherwise inﬁnite universe both in space and time. This inﬁnite universe consists of strange stuﬀ about which we know very little except that it has exceedingly high density. From the basic equations which Einstein gave us we also know that this stuﬀ exerts negative pressure.
Unfortunately, present-day superconducting structures are quite expensive and do not support an accelerating gradient higher than about 10 M eV /m – far too low for this application. It does not look as if this limit will be raised suﬃciently in the near future. One way of increasing the eﬃciency is to increase this frequency. e. inversely with frequency. Therefore, for the same gradient, a high-frequency structure will contain less energy than a low-frequency one. We could, for instance, consider a frequency of 30 GHz instead of 3 GHz as used in the Stanford machine.
Because it is very close to our needs, we are all told to conserve energy. We are told that the conservation of energy is very important, the most important thing of all, by our political advisors who would one day no doubt pass a law about it and it will of course be called the Law of Conservation of Energy. But we have as you know, the ﬁrst law of Thermodynamics. So what is the problem? It means that you can’t get energy from nothing. If all the energy being conserved means that you can’t destroy energy and you can’t create it – then that’s alright.
A Century of Ideas: Perspectives from Leading Scientists of the 20th Century by Fred Hoyle (auth.), Dr. B. G. Sidharth (eds.)