Monday, 09 June 2014 11:15
O1-32: DARK AXLE
Additional Info
- 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
- References: REFERENCES: (PIRA unknown.) See Demonstration Reference File for information about this illusion.
- Loc codes: O1, D1, LS2
Published in
O1 Image Production
Tagged under
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Demonstrate the optics of the eye and corrections of optical defects. Read More
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O1-02: EYE OPTICS MODEL - INDIVIDUAL VIEWING
Show inversion of the image on the retina by the eyelens. Read More
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O1-03: IMAGE INVERSION ON RETINA
Model image inversion on the retina. Read More
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O1-04: IMAGE INVERSION ON RETINA - INDIVIDUAL VIEWING
Individual demonstration of image inversion on retina. Read More
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O1-05: EYESCOPE
See your retina! Read More
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O1-11: TEST OF NEARSIGHTEDNESS VS. FARSIGHTEDNESS
Identify nearsighted and farsighted eyes using laser speckle. Read More
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O1-21: CHROMATIC ABERRATION IN EYE
Observe chromatic aberration in your eye. Read More
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O1-22: SPHERICAL ABERRATION IN EYE USING PINHOLE
Show spherical aberration in eye and its correction. Read More
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O1-23: ASTIGMATISM - ON AXIS
Demonstrate on-axis astigmatism. Read More
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O1-31: MACH BANDS
Demonstrate Mach bands. Read More
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O1-32: DARK AXLE
Demonstrate the dark axle illusion. Read More
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O1-41: FLOATERS
Individual observation of floaters in the eye. Read More
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