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Wednesday, 04 June 2014 14:29

O4-21: TRAVELING LIGHT ILLUSION

Additional Info

  • ID Code: O4-21
  • Purpose: Classic travelling light illusion.
  • Description: When the disc with a spiral groove rotates in front of a clear long filament bulb at about one revolution per second, the light rises slowly, then quickly returns to the center and rises again. When the disc is stopped the light and spiral appear to fall toward the center.
  • Availability: Available
  • Loc codes: FS1
Read 1696 times Last modified on Monday, 17 August 2020 12:04
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