Word: blue
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Dates: during 1940-1949
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...project, a $65,000 undertaking which is being constructed near the Harvard Observatory in the Blue Hills, will have a 2,100 foot trail with a rise of 400 feet for experienced skiers and a slightly slower run of 2,700 feet with the same rise...
...mirrors are arranged so that red light from the red tube is reflected to the eye of the viewer from the red-reflecting mirror (see diagram). Blue light from the blue tube is reflected by the blue-reflecting mirror, but passes through the red-reflecting mirror to the eye. Green light from the green tube is not reflected at all. It reaches the eye direct. The viewer sees the three pictures superimposed so that they blend to form a full-color picture...
...tube. All of them are white, since the "phosphor" (the luminescent substance) on the tube's face glows only in white light. But in front of the receiving set's picture tube is a second spinning "color disc" (see diagram). This disc is synchronized so that a blue segment is between the tube and the eye of the viewer whenever a "blue" field is flashing on the tube. So the eye sees the field in blue. When a "red" field is on the tube, a red segment of the disc makes that frame look red. In the same...
...electronic switching device, turning their signals on & off 11.4 million times a second, allows each tube to transmit over the telecasting station only one-third of the time. In this way the "video signals" from all three tubes are strung together like trains made up of red, blue and green freight cars, and sent over the air on one wave band...
...Signo. In Washington, police were looking for a tall (6 ft.) man in his seventies, wearing faded blue overalls, who had passed more than a dozen bum checks all signed with...