The Fantazein clock offers a good demonstration of the 'persistence of vision'. The Fantazein's wand oscillates back and forth; in a plane that is typically nearly perpendicular to one's line of vision, approximately 16 times per second. Eight LEDs (light emitting diodes) are embedded along a line near the tip of the wand. Addeddate Foldoutcount 0 Identifier Fansion-Manual Identifier-ark ark://t44r08r6s Ocr ABBYY FineReader Pages 37 Ppi Actually it is a POV clock in that to 'see' the time you have to wave the clock in front of you while pushing the 'wand!' button. The time is then displayed from one side to the other of the display, one slice at a time: persistence of vision (POV) makes you see time floating on air. If the display would stay up longer, say forever, without any.
Addeddate Foldoutcount 0 Identifier Fansion-Manual Identifier-ark ark://t44r08r6s Ocr ABBYY FineReader Pages 37 Ppi Repair of my Fantazein clock. MADE IN U.S.A. The Fantazein clock offers a good demonstration of the 'persistence of vision'. The Fantazein's wand oscillates back and forth; in a plane that is typically nearly perpendicular to one's line of vision, approximately 16 times per second.
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