The ready availability of coal inspired William Murdoch during the 1790s to develop the first newform of nighttime illumination to be discovered in a millennium and a half.
威廉·默多克在18世纪90年代受到煤炭的易得性的启发，发明了1500年里的第一种新的夜间照明方式。
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One of the best examples of this newform of teaching application is Futaba, game in which up to four children try to recognize a spinning object, and then identify what it is.