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Postal

Plain-language explainers about postal, written to make useful context easier to find and understand.

Browse articles that connect postal to technology, health, infrastructure, money, science, and everyday decisions.

Mar 2026

The Machine That Sorts Your Mail at 35,000 Pieces Per Hour

Inside the mechanical city that processes half the world's mail — optical scanners, barcode tattoos, and a conveyor system the size of three football fields.

infrastructurepostalengineering