Undersea Fiber Optic Cables - The Internet's Unseen Heroes

15/03/2025 14 min

Listen "Undersea Fiber Optic Cables - The Internet's Unseen Heroes"

Episode Synopsis

Technically U explores the crucial role of undersea fiber optic cables in global communication. This podcast explains how the 1.4 million kilometers of cables carrying 99% of international internet traffic are laid across the ocean floor, overcoming significant logistical and environmental challenges. The podcast details the technology behind data transmission and signal boosting using repeaters, how cables are laid using a Cable Laying Vessel, as well as the processes involved in maintenance and repair. Finally, it discusses the future of this technology, considering both advancements in capacity and the potential of satellite internet as a complementary solution.Undersea Cable Map: https://www.submarinecablemap.com/What are Undersea or Submarine Cables?: (1:05)How are they deployed: (1:50)How are they powered: (3:10)What are the primary uses of Undersea Cables?: (4:15)What happens when things go wrong: (5:30)Publicly Available Maps: (7:55)An evolving field: (8:20)What about Satellite Services?: (10:40)Key Takeaways: (13:20)

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