FRIZION: Art From An Icebox
May 24, 2002
Provided by: Pete Wasilewski, NASA/GSFC
Summary authors & editors: Jim Foster; Pete Wasilewski
This stunning image was recorded with a Nikon CoolPix 995 camera and the printing was done on an Epson Color 1280 printer. In addition to the camera, a vessel of water, a freezer and a good deal of patience were required to derive this frozen art form referred to as FRIZION (frozen vision). The arresting colors are caused by birefringence of the ice crystals, the refraction of light in two slightly different directions, forming two different rays of light. When there are two distinct speeds with which light can propagate, depending on the direction of propagation, birefringence results.
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