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Nature 435, 152-153 (12 May 2005) | doi:10.1038/435152a; Published online 11 May 2005
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High-energy physics: An emptier emptiness?
Frank Wilczek1
Abstract
Temperatures similar to those reached an instant after the Big Bang can be created in collisions of gold atoms. The resulting fireballs may allow us a glimpse of a world that is more symmetrical than our own.
The concept that what we ordinarily perceive as empty space is in fact a complicated medium is a profound and pervasive theme in modern physics. This invisible, inescapable medium alters the behaviour of the matter that we do see.
- Frank Wilczek is at the Center for Theoretical Physics, Massachusetts Institute of Technology, 77 Massachusetts Avenue 6-305, Cambridge, Massachusetts 02139-4307, USA.
Email: wilczek@mit.edu
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