Learn some particle accelerator basics from a Fermilab accelerator operator.
How do you keep a particle inside of an accelerator? Fermilab accelerator operator Cindy Joe explains.
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Something is out there. As far as scientists know, just 15% of the matter in the universe is the ordinary kind we can see. The other 85%, called dark matter, remains beyond detection, invisibly affecting the movements of galaxies and subtly warping our view of the stars.
