Matter-antimatter molecules of positronium observed in the lab for the first time

Physicists at UC Riverside have created molecular positronium, an entirely new object in the laboratory. Briefly stable, each molecule is made up of a pair of electrons and a pair of their antiparticles, called positrons.

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<p><a href="http://www.physorg.com/news108822085.html">Matter-antimatter molecules of positronium observed in the lab for the first time</a></p> <p>Physicists at UC Riverside have created molecular positronium, an entirely new object in the laboratory. Briefly stable, each molecule is made up of a pair of electrons and a pair of their antiparticles, called positrons.</p>