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Light and its invisible counterparts — radio waves , infrared , ultraviolet , and X - rays — are the purest form of energy . These “ electromagnetic radiations ” are created by the jerking of electrons , sometimes quite gently as in a ...
Technology of energy conversion and utilization 722. Technology of tools and machines 723. Technology of measurement , observation , and control 724. Extraction and conversion of industrial raw materials 725.
Recurring energy sources 6 : 857b - e / 5 : 46a - b / 6 : 24g - 25a / 15 : 4569-457a 6 : 857e - 8586 / 5 : 45c - f 1 : 358d - e / 2 : 1039a - c / 8 : 715g 6 : 26e - f / 8 : 133g - 134c / 13 : 502c - f a . Solar energy 6 : 857f b .
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review
atomic nuclei and elementary particles
Energy radiation and the states and transformation of matter
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