All About Trivia

Sunday, June 29, 2008

What is the Largest Scientific Instrument in the World?


The world's largest scientific instrument (and arguably the world's largest machine) is the Large Electron Positron Collider. It is a circular tube 3.8 m (12 ft 6 in) in diameter and 27 km (17 miles) in circumference. It is situated in a giant donut-shaped tunnel 100 m (330 ft) below the area around the Swiss-French border in Geneva. The machine began operating in 1989 and was officially closed down at 8 am on November 2, 2000. It was used to examine the smallest particles of matter by accelerating electrons and positrons that collided with each other. The collisions produced tiny sub-atomic particles and enabled physicists to study the fundamental nature of the universe.

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