Centenery Of The Electron

It was exactly 100 years ago, in 1897, that the English physicist Joseph John Thomson identified what is now called the electron. His experiments succeeded where others had failed because J.J.Thomson could produce a better vacuum which he used to prove conclusively that cathode rays were indeed a stream of particles. Although many at the time thought it was a hoax, physicists were soon convinced and in 1906 Thomson was rewarded with the Nobel Prize. Today, 100 years later, there are numerous applications of electrons, including the electron microscope, the transistor, superconducting materials, PET scanners and the use of electrons as high speed bullets to study sub-atomic particles.

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