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Scientists make antimatter laser

Anti-matter particles can be cooled to near absolute zero.

An artistic illustration of the movement of an antihydrogen atom in the ALPHA magnetic trap, before (grey) and after (blue) laser cooling. The images show various lengths of the antihydrogen's track
An artistic illustration of the movement of an antihydrogen atom in the ALPHA magnetic trap, before (grey) and after (blue) laser cooling. The images show various lengths of the antihydrogen's track. Credit: Chukman So/TRIUMF