Nobel Prize

by Sven Kullander Why accelerators Particle accelerators are devices producing beams of energetic ions and electrons which are employed for many different purposes, one being ultra-precision microscopy. As is well known objects with dimensions down to the size of a living cell are investigated by optical microscopes and those down to atomic dimensions by electron…

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Prizes related to the 2008 Physics Prize In 2008, Yoichiro Nambu, Makoto Kobayashi and Toshihide Maskawa received the Nobel Prize in Physics for discoveries concerning nature’s broken symmetry. Find out here about previous Nobel Prizes relevant to their work. Nobel Prize in Physics 1999 Gerardus ‘t Hooft and Martinus J. G. Veltman “for elucidating the…

Presentation Speech by the Librarian of the National Library, Dr. E.W. Dahlgren, President of , on December 10, 1911 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. The Royal Academy of Sciences has awarded the Nobel Prize for Physics, for the year 1911, to Wilhelm Wien, Professor at the University of Würzburg, for his discoveries…

The following account of Barkla’s work is by Professor G. Granqvist, Chairman of the Nobel Committee for Physics of When X-rays fall on any substance, whether solid, liquid, or gaseous, they cause a secondary radiation. That was discovered by Sagnac in 1897 and it has since then been studied by a long series of investigators.…

Presentation Speech by Dr. A.G. Ekstrand, President of , on December 10, 1920 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. The Swedish Academy of Sciences has decided to award the Nobel Prize for Physics 1920 to Ch.E. Guillaume, Director of the International Bureau of Weights and Measures, for the services he has rendered to…

Presentation Speech by Professor , Chairman of the Nobel Committee for Physics of , on December 10, 1922 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. Ever since Kirchhoff and Bunsen (1860) introduced spectral analysis, that extremely important aid to investigation has produced the finest results. To begin with, material was collected and spectra were…

Presentation Speech by Professor C.W. Oseen, Chairman of the Nobel Committee for Physics of , on December 10, 1929 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. Among the great problems that scientists conducting research in electrotechnique are today trying to solve, is that of enabling two men to converse in whatever part of the…

The following account of Stern’s and Rabi’s works is by Professor E. Hulthén, Stockholm (Broadcast lecture, 10th December, 1944) There is a certain relation between electric and magnetic phenomena in that the magnetic field can generally be ascribed to the presence of electric currents. It was in this way that the famous Ampère sought to…

Presentation Speech by Professor E. Hulthén, member of Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. On 12th December 1901, Marconi succeeded in establishing wireless communication between the Old World and the New. The way in which the wireless waves proved to follow the contour of the earth compelled the assumption that there must be…