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• n  a steel or aluminum rod that can be moved up or down to control the rate of the nuclear reaction

News & Articles

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• Control rod problem shuts down Calvert Cliffs reactor
  Nuclear plant operator says incident unrelated to last year's outage The operators of Calvert Cliffs nuclear power plant in southern Maryland shut down one of its two reactors Thursday after a control rod assembly malfunctioned during testing, federal safety regulators announced.        
  Sept. 6, 2013 - Baltimore Sun
• 1 of 2 reactors at Md. nuclear plant shuts down
  Constellation Energy Nuclear Group says it has shut down one of two nuclear reactors at its Calvert Cliffs power plant after a malfunction during testing. Plant spokesman Kory Raftery says a control rod ...
  Sept. 6, 2013 - Associated Press via Yahoo! Finance
• 1 of 2 reactors at Maryland nuclear plant shuts down
  LUSBY, Md. — Constellation Energy Nuclear Group says it has shut down one of two nuclear reactors at its Calvert Cliffs power plant after a malfunction during testing. Plant spokesman Kory Raftery says a control rod dropped into the reactor Thursday during tests at the Southern Maryland plant and it ...
  Sept. 6, 2013 - The Washington Times