In modern times, more credible accounts of active light shaping date back to the invention of the eidophor projector in 1943 by Fritz Fischer, a scientist at the Swiss Federal Institute of Technology.

by 12 ft. theater screen. Based on the Eidophor method first developed for black & white projection, the new projector gets most of its light from an arc lamp rather than from the conventional ...

Douglas Engelbart’s 1968 “Mother of all Demos” introduced the world to a whole range of technologies we take for granted today, the most prominent being his great invention, the computer mouse.