gps

Scott Manley covers how GPS works and how civilian accuracy went from a planned 100 meters to about one meter. He explains the technology and the removal of restrictions that made this possible.

Tom Scott races a London black-cab driver who has memorized The Knowledge against a phone GPS across the city, comparing local expertise to navigation software.

Course outline for Stanford's online GNSS course, introducing how GPS works and the many uses of satellite navigation. The series pairs short lectures with backyard experiments using smartphones.

A short scene from The Office US in which Michael Scott blindly follows his GPS and drives into a lake. The tagline is never trust technology.

A DEF CON 23 talk on researching whether a commercial quadcopter could be forced to land by interfering with its GPS signal, inspired by a neighbor's kid's drone. It covers the research and the legal and technical issues encountered.

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.

Raw 1991 home footage of a working Etak Navigator, the 1985 in-car navigation system that predated consumer GPS. It shows the system's cassette-based map display and explains its augmented dead reckoning using wheel sensors.

Mark Rober spends eleven months building and testing a glitter bomb package with GPS and cameras to get back at porch pirates who steal parcels.