Extremely Low Frequencies

Computers Are Bad a newsletter by J. B. Crawford ☞ Archive ☞ Subscribe ☞ RSS extremely low frequencies 2026-05-09 The submarine is a surprisingly ancient technology—at least in its early, primitive forms. The idea is quite simple, that a well-enough-sealed boat ought to be able to submerge and resurface. It's the practicalities that make the whole thing difficult. It is generally considered that the US Civil War was the first use of submarines in combat; these were primitive ma