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• a  having or using two filaments
  a bifilar suspension of a waving part of an instrument

News & Articles

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• Grand Valley State art resembling Miley's wrecking ball returning today
  The bifilar pendulum was removed in September because of safety concerns after workers discovered the cable holding it was frayed.
  Nov. 13, 2013 - Detroit Free Press
• Art resembling Miley's wrecking ball returned
  ALLENDALE, Mich. (AP) - A swinging sculpture removed from a Michigan school's grounds after students used it to mimic a Miley Cyrus video in which she rides, naked, on a wrecking ball is back on campus.     The Grand Rapids Press reports that crews removed the bifilar pendulum Tuesday from a crate outside Padnos Hall at Grand Valley State University. ...
  Nov. 13, 2013 - WWMT 3 Kalamazoo
• The ball is back
  A swinging sculpture that was removed from a Michigan school's grounds after students used it to mimic a Miley Cyrus video in which she rides, naked, on a wrecking ball is returning to campus. Grand Valley State University said the bifilar pendulum will be reinstalled Tuesday outside of the Padnos Hall of Science. It was removed in September because of safety concerns after workers discovered ...
  Nov. 12, 2013 - The Holland Sentinel