O2-21: STROBOSCOPIC CENCO
- ID Code: O2-21
- Purpose: Demonstrate persistence of vision using strobosccope.
- Description: A disc contains the letters C E N C O in apparently random order. When the disc is spun rapidly and illuminated by a stroboscope at the right frequency, the word CENCO is clearly formed, accomplishing their advertising goal.
- Availability: Available
- References: http://lecdem.physics.umd.edu/images/refs/refso.htm#O2-21
- Loc codes: N3, O2, LS1