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Published online 13 June 2007 | Nature | doi:10.1038/news070611-7
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High-energy detectors might find 'unparticles'
'Stuff' not made of particles could be seen soon, in theory.
The universe could be filled with stranger stuff than anything physicists have ever seen: stuff that, unlike all known matter, isn't made of particles. Howard Georgi of Harvard University calls it 'unparticle stuff'.
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