Download e-book for kindle: Chapel of Extreme Experience: A Short History of by John Geiger

By John Geiger

ISBN-10: 1932360018

ISBN-13: 9781932360011

Chapel of maximum adventure is an engrossing examine flicker potentials — a visible phenomenon which grew to become the foundation of clinical reports into how the visible mind works. within the Sixties the Dream computer was once constructed to breed this phenomenon, emitting pulses of sunshine and projecting styles that produced kaleidoscopic photos or even hallucinations. This e-book follows the curiosity in flicker, from its clinical underpinnings to its function within the countercultural artwork scene. this can be a attention-grabbing examine the Dream computer and its impact on significant cultural figures like William S. Burroughs, Aldous Huxley, and Allen Ginsberg who all skilled and wrote in regards to the "flicker effect." images are featured.

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Additional info for Chapel of Extreme Experience: A Short History of Stroboscopic Light and the Dream Machine

Example text

3, 125-128. Vos, J. J. and Walraven, P. L. (1971).

19 (white squares). On average, brightness sensitivity at middle and long-wavelengths does not change significantly, but at short wavelengths it actually increases with age. This increase occurs only at the retina, and under natural conditions it is not enough to eliminate some brightness loss (at the cornea) for violet lights in the elderly. However, across 6 decades it implies a doubling of brightness sensitivity, which goes a long way toward restoring constancy that would otherwise be disrupted by the yellowing of the lens.

Notice that the colors of the afterimage are complementary, or approximately so, to those of the original image. Goethe described analogous phenomena in the spatial domain based on colored shadows, a topic that would later engage Helmholtz and Hering (Hering, 1887) in heated debate. 9, a surface is illuminated by a whitish light from the left and a yellowish light from the right. Each beam will be partially obstructed by the object in the center, re- 15 \\ Fig. 9: Goethe's (Goethe, 1810) illustration of colored shadows (see text).

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Chapel of Extreme Experience: A Short History of Stroboscopic Light and the Dream Machine by John Geiger

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