Technology & AI
How the software and machines around us actually work.
1:33How does the internet work?
A page crosses the internet as numbered packets. Routers pass each one a hop at a time, around broken links; your device sorts them and asks for lost ones.
2:04How a neural network learns
A small network guesses which dots are blue, measures its error, passes it back and nudges every connection. Thousands of nudges later, it has found the rule.