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	Podcast:		American History
	Episode:		The Invisible Infrastructure of the Grid
	Category:		Society & Culture
	Duration:
	Publish Date:		2015-10-14 21:30:49
	Description:		William Rankin, assistant professor of the history of science at Yale University, explores the links between roadside surveying markers, nuclear missile targeting, and new forms of mapping in the twentieth century. His talk will focus on the grid-like alternatives to latitude and longitude that were created during and after the World Wars, especially the global system installed by the US Army. For soldiers, engineers, and homeowners alike, these invisible but now ubiquitous technologies blurred the line between the paper map and the real world and made it possible to treat the spherical earth as perfectly flat.
	Total Play:		0