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Updated: May 3, 2025
"As the raindrops throw them up against that cloud, they are separated again, because some colors are more easily bent than others. The red, you see, is the highest and the violet the lowest in the bow. The raindrops make a prism. You have seen a prism. But through the prism the colors are turned the other way; the red is lowest and the violet highest."
Black discovered latent heat; and a prism, a lens and a sheet of pasteboard enable Newton to unfold the composition of light and the origin of colors. An eminent foreign savant once called upon Dr.
Or was it that, being as weak of sight as he was shy of mind, he drew less pleasure from the reflection of the glowing sensible world through the prism of a language many-coloured and richly storied than from the contemplation of an inner world of individual emotions mirrored perfectly in a lucid supple periodic prose? He passed from the trembling bridge on to firm land again.
Just as in the prism a white ray of light is split up into seven darker shades of color, so the divine personality or Ego has been broken into countless susceptible substances. As seven darker shades melt together in one clear pencil of light, out of the union of all these substances a divine being would issue.
"It detects differences of structure in substances not visible in ordinary light. "Light is polarized in several ways by reflection, by transmission, but most commonly through what I have here, a prism of calcite, or Iceland spar, commonly called a Nicol prism. Light fully polarized consists of vibrations transverse to the direction of the ray, all in one plane.
The business that he had left prospered without him, or languished and died; within a week in all but a dozen hearts Hendricks' memory began to recede into the past, and so, where there had been a bubble on the tide, that held in its prism of light for a brief bit of eternity all of God's spectacle of life, suddenly there was only the tide moving resistlessly toward the unknown shore.
Let the prism represent man: the sun, man's Creator: and the seven-hued ray cast by the prism, nature, or the material universe. Now, if we remove the light, the ray vanishes: it vanishes, also, if we take away the prism: but so long as the sun and the prism God and man remain in their mutual relation, so long must the rainbow nature appear.
Then the sun's disk appears with a flood of yellow light but with no appreciable warmth, and for a little space his level rays shoot out and gild the tree tops and the distant hills. The snow springs to life. Dead white no longer, its dry, crystalline particles glitter in myriads of diamond facets with every colour of the prism.
It had flown with terrific speed over the table, smashing apparatus and bottles of chemicals on its way, and was even now disappearing through the open window. He seized his prism binoculars and focused them upon the flying vessel, a speck in the distance.
Its proper meaning will be disclosed in our next lecture. These experiments and reasonings, if only thoroughly studied and understood, will form a solid groundwork for the analysis of the splendid optical phenomena next to be considered. Action of Crystals on Polarized Light: the Nicol Prism.
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