Unformatted text preview: would be finding the identity of the “invisible” material accounting for roughly 25 percent of the universe. Also, it would constitute the first evidence of “supersymmetry”, a phenomenon required to validate String Theory. This find is nearly a mile and a half underground in Minnesota, in an old iron mine in Soudan so it is shielded from cosmic rays. Temperatures in the detectors can be as low as one-hundredth of a degree Kelvin. When a particle hits a detector, it produces an electrical charge and deposits bits of heat, and each bit is independently measured. By comparing the amounts of charge and heat left behind, physicists can tell what sorts of particles they are looking at....
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This note was uploaded on 03/10/2010 for the course HISTORY v55 taught by Professor Lui during the Spring '10 term at Art Inst. KC.
- Spring '10