3A95.50b - Revolution

Code Number:
Demo Title:
Chaotic Effects of Natural Harmonic Frequencies
Area of Study:
Revolution Demo.

See also 3A95.50b in Oscillations/Acoustics.

Place the armature magnet over the base piece and against the mirror.  Gently spin the armature.  As the armature slows there will be several revolution speeds that show definite chaotic motion or vibration.

  • P. J. Ouseph, "Magnetic Spinner", TPT, Vol. 44, #9, Dec. 2006, p. 610.
  • Michael J. Pechan, Alexandra O'Brien, and Wesley A. Burgei, "Conservation of Angular Momentum Apparatus Using Magnetic Bearings", TPT, Vol. 39, #1, Jan. 2001, p. 26.
  • David Kagan, "Building a Magnetic Levitation Toy", TPT, Vol. 31, #7, Oct. 1993, p. 432.
  • H. Richard Crane, "How Things Work: Magnetic Levitation (Almost)", TPT, Vol. 30, #9, Dec. 1992, p. 540.
  • Martin C. Sagendorf, "49. The Cosmic Magnetic Puzzle", Physics Demonstration Apparatus, 2009. p. 223 - 225.

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