Joy ride


"If this so-called antimatter had come into contact with actual matter, even for a fraction of an instant, it would have been annihilated in a quick flash of energy. So experts at the European Organization for Nuclear Research, known as CERN, had to be extra careful when they took 92 antiprotons on the road for a short ride on Tuesday.

"The antiprotons were suspended in a vacuum inside a specially designed box and held in place by supercooled magnets.

"Particle physicist Alan Barr said science has progressed enough that precise experiments are necessary to spot rather subtle differences between matter and antimatter.

"'To do this, it’s useful to be able to take small amounts of antimatter from places where it is produced, like CERN, to other laboratories around Europe, where precise tests of it can be done,' said Barr, a professor at the University of Oxford."

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