The Missile Knows Where It Is...
Why Hacker News recommends it
HN commenters post it as an obligatory joke reply whenever threads touch on missiles, GPS, or circular reasoning.
What it is
A short clip of the famous Hitchhiker-style circular narration of a missile guidance system explaining how it knows where it is by knowing where it isn't. It is a deadpan bit of technical-sounding absurdity about subtraction and navigation.
Recommended by 0 HN commenters across 0 different months, 2015 to 2025.