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Originally posted by Nygdan
Heck, the idea of having a gun firing electrons onto a peice of glass and inducing a photoelectric effect to get an image to form on the glass seems pretty darned impractical at first too, but its worked out pretty nice with development.
Originally posted by R3KR
Cant imagine getting up in the middle of my favorite movie to fill my screen with water. Might as well just use a regular projection screen.