“a hot, dense soup of quarks and gluons.”

As the BBC noted, the Large Hadron Collider at Cern has switched from firing beams of protons to beams of heavy [lead] ions.  From the BBC report One of the scientists who will be taking a part in the experiment is David Evans from the University of Birmingham, UK. “Although the tiny fireballs will only exist for a fleeting moment (less than a trillionth of a trillionth of a second) the temperatures will reach over ten trillion degrees, a million times hotter than …

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