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CERN scientists refine antimatter `trap`

The achievement is a significant improvement on earlier attempts to trap antihydrogen, which like all antimatter has a tendency to disappear before scientists have time to examine it.

Electrons most round natural objects in universe

The electrons differ from being perfectly round by less than 0.000000000000000000000000001cm.

CERN scientists trap `antimatter`

Scientists at CERN said they had trapped dozens of hydrogen `antimatter` atoms.