Transatlantic Fiber-Optic Expialidocious
Jun 30, 2026 · 31m
Summary
This episode explores the history of TAT-8, the first transatlantic fiber optic cable, which revolutionized global telecommunications by proving fiber optics superior to satellites. Hosts Roman Mars and Christopher Johnson discuss the cable’s development, including humorous shark-proofing tests, and its eventual retirement. The story concludes with the labor-intensive process of recovering TAT-8 from the ocean floor for recycling, highlighting the physical infrastructure behind our digital world.
Topics discussed
Introduction to fiber optics and the TAT-8 cable
History of fiber optics from novelty to telecom
The satellite vs. submarine cable debate
AT&T's development of the first transatlantic fiber cable
Shark-proofing the cable: myths and tests
Laying TAT-8 and its revolutionary capacity
Why fiber optics defeated satellites for global internet
Modern ownership of subsea cables by tech giants
The retirement and recovery of the TAT-8 cable
The grueling process of retrieving cable from the sea
Recycling TAT-8 into everyday consumer goods
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