xkcd #3251: Time Machine Conversation
Title text:
It’s possible to do sea navigation without a compass, but you’ll have to get some spoilers from the Polynesians.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3251/
try to refrase it using only iron age terms
Uh… it’s a hard, dead bird that you nail to a chariot so you don’t slide so much when you make sharp turns… 😰