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Physics in the News
Title: Putting A Spin On Light And Atoms
URL: http://newscenter.lbl.gov/feature-stories/2010/09/14/putting-a-spin-on
-light-and-atoms/
Date: 10/04/2010
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Extended Text:

Magnetometers come in many shapes and sizes an ordinary hand-held compass is the simplest but alkali-vapor magnetometers are extrasensitive devices that measure magnetic fields using light and atoms. They can detect archaeological remains and mineral deposits underground by their faint magnetic signatures, among a host of other scientific applications. Read more at http://newscenter.lbl.gov/feature-stories/2010/09/14/putting-a-spin-on-light-and-atoms/