The Largest Atom Smasher Unleashes Record-Breaking Energy

The world's largest atom smasher is really cranking now: Protons zipped around the giant underground ring at near light-speed and collided head on, releasing record-breaking energies.
The beauty of the fallout from these powerful particle smash-ups can be seen in images released May 21 by the European Organization for Nuclear Research (CERN), which oversees the 17-mile-long (27 kilometers) Large Hadron Collider (LHC). The underground particle collider in Switzerland awoke in April after a two-year snooze for repairs and upgrades.
This week during a test run, the protons sped into each other with energies of 13 tera-electronvolts (TeV), or double the collider's previous power.



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