Today I Found Out

Today I Found Out

Why Blueprints are Blue (2016x31)


Fecha de emisión: Feb 10, 2016

→Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_con→’t always been the easiest thing in the world to do. For the majority of human history, the most economical solution was simply to have someone make a tracing of the original plans. Want the text version?: http://www.todayifoundout.com/index.php/2014/02/blueprints-blue/ Sources:

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