Subject
3 entries
Gps
Bookmarks
GPS: How the Global Positioning System Works
Bartosz Ciechanowski's interactive explainer on how GPS works — from trilateration fundamentals through satellite orbital design, pseudorandom codes, and relativistic clock corrections. One of the best pieces of technical writing on the web.
Strava Global Heatmap
Strava's global heatmap aggregates GPS tracks from millions of runs and rides to show where athletes move around the world — a stunning geographic visualization that also accidentally revealed military base locations. Privacy implications aside, technically a landmark crowdsourced geospatial visualization.
How an Atomic Clock Works, and Its Use in GPS
An EngineerGuy video explaining how atomic clocks work and why GPS depends on them. A clean demonstration that the entire global positioning system rests on quantum mechanical precision in timekeeping.