Page 21: of Marine Technology Magazine (November 2025)

ciety. These data centers will house ever-larger clusters of in- ing Ireland to Newfoundland, Canada, one sees that the cable ter-connected GPUs, which serve as the engines for machine landing station (CLS) performed a key role, with an operator learning and AI training. detecting the trans-Atlantic telegraph signal, which was then

Modern AI training and large language models (LLMs) re- handed off to another telegraph operator to re-transmit over quire a “scale-up” design, where thousands of GPUs function terrestrial copper cables to New York City or London. as a single logical unit, with the bandwidth needed to inter- Fast-forward 150 years to the mid-2010’s, and trans-oceanic connect these GPU clusters soon exceeding 1 Pettabit per cables evolved from copper to