Review: We can map that: Newberry Library exhibits 500-plus years of borders, folds and graticules

From maps that become art to a rack of Rand McNally road maps, straight out of gas stations of yore, “Mapping Outside the Lines” covers a lot of ground.
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The real reason power lines have those mysterious orange balls

Those bright orange spheres strung along certain power lines are not decorative, and they are not there to keep the wires ...