A Series of Tubes
99% Invisible
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Introduction
This is the record-breaking Kickstarter-funded season 3 of 99% Invisible. Give yourself a round of applause. The Roman one pneumaticpneumatic pneumatic tubes of or pertaining to air guesses or wind. You see things go away and they never come back. How the heck does it work? I guess we'll never know Back you in the world before telephone and email the task of transmitting information was essentially the same challenge.
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Transcript
