Word: beame
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Dates: during 1960-1969
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...fact, it was all part of a new U.S. Army exhibit inside Chicago's Museum of Science and Industry. The helicopter was grounded, the landscape was a diorama, sound effects were recorded, and the machine gun was electronically rigged so that its light beam made bulbs glow when a direct hit was scored...
...transparencies -one of the blurred photograph of a microscope, the other of a purposely blurred picture of a spot of light shot by the same camera. Then he produced a hologram by projecting laser light through the blurred light-spot transparency onto unexposed film while simultaneously shining a beam split off from the same laser directly onto the film, thus producing the holographic interference patterns...
Having set up the optical equivalents of Fourier transforms, Stroke beamed laser light first through the transparency of the blurred microscope photograph and then through a "dividing" filter that consisted of both the hologram and the transparency of the blurred spot of light; in mathematical terms, he had thus divided one transform by another. Projected onto film the beam produced a crude but noticeably clearer picture of the microscope. Stroke had solved his optical equation...
...mechanism was triggered by a series of hidden photoelectric cells paired with infra-red light projectors, which together created an invisible light grid. The cells were located directly beneath the light bulbs; when the viewer's body intercepted an infra-red light beam, the cell triggered a relay switch to the bulbs above. Haacke's Photoelectric Viewer Programmed Coordinate System furnished little to look at, but lots to ponder at the coffee shops. Does a tree make a noise when it falls in the forest if nobody is there to hear it? Does a work of art cease...
...Physicists Carroll Alley and Douglas Currie set up the lasers in four East Coast locations in addition to the two in the West. Each was projected backwards through a telescope-into the viewing end-toward Surveyor's lunar site. The telescopes were used not only to aim the beams precisely but also to further confine the beam of the coherent laser light, which diverges very little even without telescopic aid. Alley estimates that both beams had diverged to a diameter of only two or three miles at the surface of the moon...