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Nature 406, 556-558 (10 August 2000) | doi:10.1038/35020740

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Through the looking glass

Alexander Hellemans1

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Physicists are setting traps to catch antihydrogen, the simplest element in the mirror world of antimatter. Their results could challenge our picture of fundamental particles and forces, says Alexander Hellemans.

In a corner of one of the world's leading high-energy physics labs, a window on the antiworld is about to open. At CERN, the European Laboratory for Particle Physics near Geneva, some 150 physicists armed with sophisticated electrostatic traps, magnets and high-precision lasers aim to capture antiatoms and subject them to scientific interrogation for the first time.