Practical Uses
While stereograms have typically been used for amusement, including stereographic cards, 3D films, printings using anaglyph and pictures, posters and books of autostereograms, there are also serious uses of the technologies.
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Famous quotes containing the word practical:
“Consider what effects which might conceivably have practical bearings we conceive the object of our conception to have. Then our conception of these effects is the whole of our conception of the object.”
—Charles Sanders Peirce (1839–1914)
“Philosophy, certainly, is some account of truths the fragments and very insignificant parts of which man will practice in this workshop; truths infinite and in harmony with infinity, in respect to which the very objects and ends of the so-called practical philosopher will be mere propositions, like the rest.”
—Henry David Thoreau (1817–1862)