• Version 1.
  • An spinning aluminum wheel is quickly stopped when placed between the poles of a powerful radar magnet.
  • CAUTION: keep magnet at least 1/2 m away from ALL other ferromagnetic materials.

  • Version 2.
  • This version has a copper wheel and adjustable, NIB magnetic poles.
  • CAUTION: keep magnets at least 1/2 m away from ALL other ferromagnetic materials.

Back