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Stephen Eckel
    
  Appears In
      
      A Primary Standard for Measuring VacuumIt’s pretty hard to measure nothing, but these engineers are getting close
      
            NIST scientist Stephen Eckel behind a pCAVS unit (silver-colored cube left of center) that is connected to a vacuum chamber (cylinder at right).

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Credit
                                C. Suplee/NIST
  NIST Individuals in Image
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