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An image forming technique using a small, flat mirror is disclosed. A real, inverted image of an object is formed with infinite depth of field when the diameter of this mirror is between 0.15 and 0.4 millimeters. In smaller diameters, this forms a diffraction pattern image of an object. The optimal ...
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In a test of the temporal adaptation concept, the usual adaptation procedure was altered to one in which the adapting frequency was varied within, while the test frequency was varied across experiment sessions. At each test frequency the average modulation threshold increased and then declined as ad...
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12 male experienced drivers (mean age 19 yrs) drove for 3 hrs in an automobile simulator while listening to music at sound level 63 dB from stereo headphones during one session and from a dashboard speaker during another session. Ss were required to steer a mountain highway, maintain a certain speed...