Stress Test 1
Bill Caldwell - ABeautifulSky Photography
Photograph - Digitally Manipulated Photo
Rainbow colors show lines of stress in pieces of plastic held under pressure and lit from behind with polarized light, then photographed using a polarizing filter. Without the application of pressure, the pieces of plastic are completely transparent. This demonstrates the concentration of forces at the sharp points of a square angle versus the more spread out forces when using a radiused angle or arch. This also demonstrates the interference of light waves where the two pieces overlap. This version is in vibrant shades of blue, cyan, pink, yellow, and green. Scanned in from original Kodachrome slide, then digitally manipulated for artistic effect. Copyright 2013, Bill Caldwell/ABeautifulSky Photography.
Large fine art prints are available up to 60 inches x 45 inches.
February 29th, 2012
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