Atoms trapped within glass cavities (IMAGE)
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More accurate navigation systems and improved wireless communications may not come from traditional electronics, but rather from atoms. Researchers at Penn State and the National Institute of Standards and Technology have developed a new way to build tinier, smarter glass sensors filled with highly precise and stable atoms. This illustration depicts a microfabricated atomic vapor cell, with atoms trapped within glass cavities on a chip used to measure high-frequency electrical fields.
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Jennifer M. McCann/Penn State
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