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Professor Emeritus Tom Armstrong, left, holds a model of a satellite while Dr. Jerry Manweiler handles a model of a device their company, Fundamental Technologies, makes that is mounted on the satellite that measures radiation rings around the Earth and how it affects cellphones. ABOVE, an image provided by the AP and NASA shows an image taken by the Voyager 1 spacecraft of a volcanic plume on the Jupiter moon Io. Voyager 1 is poised to soon leave the solar system.

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