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A particular highlight is Gray's deep dive into the diesel-powered hydraulic motors used by the Amish, who generally eschew electricity but still need to produce furniture on an industrial scale: They retrofit commercial electric devices to use compressed-air motors. I A Traveler's Guide to the Stars i , Les Johnson, Princeton U. Press, 2022, $27.95 Although people have been dreaming of space exploration for decades, visiting and settling other worlds is still the stuff of science fiction. - rd Engines: The Inner Workings of Machines That Move the World I Engines: The Inner Workings of Machines That Move the World i , Theodore Gray; photographs by Nick Mann, Black Dog & Leventhal, 2022, $32.00 This new large-format book by Theodore Gray, an author and chemistry enthusiast, is a tinkerer's dream. [Extracted from the article]