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Accelerators and light sources of tomorrow

Strange but true: the recently restarted Large Hadron Collider, the most powerful accelerator in the world, is the direct descendant of Thomas Edison's light bulb. The light bulb was invented before electrons were discovered but nevertheless led to the first vacuum tubes, which for a long time were the principal means of accelerating and controlling charged particles in radios, medical x-rays, and other practical applications.

Dec 22nd, 2009

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