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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 - 858b / 5 : 45c - f 1 : 358d - e / 2 : 1039a - c / 8 : 715g 6 : 26e - f / 8 : 1330-134c / 13 : 502c - f a . Solar energy 6 : 857f b .
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The New Encyclopaedia Britannica (Encyclopaedia)User Review - Not Available - Book Verdict
For virtually all its 238 years,Britannica has ruled the shelves as a peerless general encyclopedia. Reviewers have consistently given it high marks for most of the 12 criteria identified inKister's ... Read full review
Part One Matter and energy
Energy radiation and the states and transformation of matter
46 other sections not shown