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Updated: May 25, 2025
If by any means, while the polarizer and analyzer remain thus crossed, the plane of vibration of the polarized beam between them could be changed, then the light would be, in part at least, transmitted. In Faraday's experiment this was accomplished.
Ashe had included the analyzer with the equipment by the gate. If Ross could find that ... why, then the major problem could be behind them. Swiftly he explained to Karara, and with a vigorous nod of assent she called to Taua, ordering the rest of the salvage material from the gate be brought to them. "Loketh." Ross pointed to the youth. "Ross." That was himself. "Karara." He indicated the girl.
Through this glass the beam from the polarizer now passes, being intercepted by the Nicol in front. On exciting the magnet light instantly appears upon the screen. By the action of the magnet upon the heavy glass the plane of vibration is caused to rotate, the light being thus enabled to get through the analyzer. The two classes into which quartz-crystals are divided have been already mentioned.
The answer given by the wave theory is in brief this: In its passage through the selenite plate the rays have been so separated in the direction of their vibrations and in the velocity of their transmission, that, when re-compounded by means of the analyzer, they have in some instances neutralized one another.
Specimens of quartz have been found which require the analyzer to be turned from left to right to obtain the same succession of colours. Crystals of the first class are therefore called right-handed, and of the second class, left-handed crystals.
Soon after lunch, Tom, Bud, and Arv took off for Fearing Island. When they arrived at the base, the plastic coating with its myriad tiny "mikes" and "speakers" was speedily applied to a jetmarine under Arv's supervision. Tom, meanwhile, wired the control unit and also installed the analyzer sonar in the Sea Hound. "Want to be 'It' for another underwater game of hide-and-seek?"
"It is true," said Hamilton; "and your remark, which affects to be so deep, is but a natural corollary from the hackneyed maxim that from experience comes wisdom." "But, for my part," said Boulainvilliers, "I think Tacitus is not so invariably the analyzer of vice as you would make him. Look at the 'Agricola' and the 'Germania."
Lastly, as the turning of the analyzer is continued, a dark band appears in the red, the part of the spectrum complementary to that occupied by the first band; and the darkness is most complete when the turning amounts to 90°. Thus we have from the spectroscope a complete account of what has taken place to produce the original colour and its changes.
After a hasty meal, he resumed his layout job at the drawing board and by midnight had finished designing his quality analyzer sonar. Whipping off his eyeshade, Tom went into the apartment next door and stretched out to snatch a few hours' sleep. But as usual when in the midst of an exciting new project, he was too keyed up to rest for long.
After breaking a sound into frequency bands instead of being photographed and projected, each band goes to an analyzer of its own, and is projected on its own screen. There'll be forty of them, each for a band of a hundred cycles, from zero to four thousand. That seems to be the Svant vocal range." The diagram passed from hand to hand during cocktail time, before dinner.
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