The internet can seem vast and intangible but there’s a very physical system of cables, servers and exchange points across the globe (and yes, even under the oceans). In this episode, we find out how a video shows up nearly instantly on our screens and about insanely thin, clear glass tubes are the key to our digital communication.
• Explore a cool interactive map of the cables that crisscross the globe under the ocean made by Nicole Starosielski.
• See a map of all the submarine cables here.
Watch: Journalist Andrew Blum talks about the physical infrastructure of the internet: