New Yorkers have a history of experimenting with pneumatic tubes—both for mail delivery (seen above) and public transit —but only one version ever really stuck: An automated vacuum trash collection system beneath the streets of Roosevelt Island. According to two recent studies , this 40-year-old relic might hold the key to developing new pneumatic systems—and it could help to solve NYC’s garbage problem. Read more…        

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The Not-So-Crazy Plan to Solve NYC’s Trash Woes With Pneumatic Tubes