6J11.31 - Skywriter

See paragraph one in the procedure section.
Code Number:
Demo Title:
Persistence of Vision
Area of Study:
Optics, Human Biology
Skyliner tm toy,

Seel also 10C10.50 in Chemistry and Physics of Everyday Experience

Choose the desired phrase on the Skyliner unit and twirl in a darkened room.  

The Vectron, 10C10.50, also has a LED array that will spell phrases in the same manner as the Skyliner. 

  • D. A. Wardle, "The Time Delay in Human Vision", TPT, Vol. 36, #7, Oct. 1998, p. 442.
  • Gerard Lietz, Anthony Behof, Marshall Ellenstein, "Illuminating Standing Waves", TPT, Vol. 24, # 7, Oct. 1986, p. 449.

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