TOPIC:

O1-32: DARK AXLE 9 years 8 months ago #1143

zzfixk21 Topic Author Offline User is blocked Posts: 1014 Karma: 1 Thank you received: 0	ID Code: O1-32 Purpose: Demonstrate the dark axle illusion. Description: A loop of metal rod is illuminated as it is rotated rapidly about a diameter. The vertical diameter of the loop appears to be darker than the rest of the area, which appears as a dimly lighted disc. Availability: Available Check this box to be notified of replies to this topic. Note: BBcode and smileys are still usable.
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