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By H.B.G. Casimir

Casimir, himself a recognized general practitioner, studied and labored with 3 nice physicists of the 20th century: Niels Bohr, Wolfgang Pauli and Paul Ehrenfest. In his autobiography, the bright theoretician shall we the reader witness the revolution that ended in quantum physics, whose impression on glossy society became out to be again and again higher than the 1st atomic physicists can have imagined. via his involvement within the technical-scientific and the company points of physics, via administration positions at Philips examine Laboratory and as a member of the Board of administrators of Philips, Professor Casimir is definitely the right individual to put part a century of advancements in physics in the context of vital occasions on the planet. With a ahead via Frans. W. Saris. www.FransWSaris.nl

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Extra resources for Haphazard Reality: Half a Century of Science (Amsterdam Academic Archive)

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Gradually we enter the third stage, the technical stage. In that stage applications do not aim at a further confirmation of the theory: they are studied for their own sake. " The essential point is that their primary purpose is not a further confirmation of the theory. Mechanics is the outstanding example. The exploratory stage, while going back to times immemorial-David must have had some notions about trajectories of thrown stones when he slew Goliath-culminated in the early seventeenth century, when Kepler epitomized a vast amount of observations on the orbits of planets in three simple laws and when Galileo made quantitative measurements on moving objects, like balls rolling downhill.

Hendrik Antoon Lorentz was born in Arnhem on 18 April 1853. His father was a moderately well-to-do nurseryman-intelligent, hard-working, and willing to support his gifted son. So Lorentz suffered no financial hardships, but his family background did not provide him with any special advantages. In 1870 he went to Leiden; two years later he returned to Arnhem and finished his studies at home. He taught at an evening school, obtained his doctor's degree in 1875, and in 1878 was appointed to the chair of theoretical physics at Leiden.

The exploratory stage, while going back to times immemorial-David must have had some notions about trajectories of thrown stones when he slew Goliath-culminated in the early seventeenth century, when Kepler epitomized a vast amount of observations on the orbits of planets in three simple laws and when Galileo made quantitative measurements on moving objects, like balls rolling downhill. With Isaac Newton we enter the next stage. The ideas and formulae in his Philosophiae Naturalis Principia Mathematica make it possible to deriye both Galileo's results and Kepler's laws; his mechanics describes the motions of heavenly bodies as well as those of falling apples, swinging pendulums, and flying bullets.

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