* Astronomy

A University of Utah study is shedding light on an important, unsolved physics problem: the relationship between chaos theory - which is based on 300-year-old Newtonian physics - and the modern theory of quantum mechanics.
The study demonstrated a fundamental new property - what appears to be chaotic behaviour in a quantum system - in the magnetic "spins" within the nuclei or centres of atoms of frozen xenon, which normally is a gas and has been tested for making medical images of lungs.
The new study - published in the Aug. 8 issue of the journal Physical Review Letters - was led by Brian Saam, an associate professor of physics and associate dean of the University of Utah's College of Science.

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