Podcast Hack
How GPS WorksBy Tech Stuff, Jonathan Strickland

In a Nutshell

This August 2024 episode of the TechStuff podcast explains the science behind the Global Positioning System, commonly known as GPS.

Favorite Quote

I hope those of you who have fun trips planned in the future can take a moment to appreciate the beauty and utility of GPS, and how amazing it is that we're using things like theory of relativity … just so that you know where you need to turn to go to the next In-n-Out Burger.

Jonathan Strickland

Introduction

Before we carried GPS in our pockets, traveling was a lot more complicated. We used paper maps, wrote down directions, and often got lost while trying to find our way.

Today, we take map apps and sat navs for granted, but the science behind them is complex, involving theoretical physics, constellations of satellites, and mind-bendingly accurate timekeeping.

On this August 2024 episode of TechStuff, host and science writer Jonathan Strickland explains the science behind GPS.

Here are the 3 key insights from this Hack

1.
GPS has its origins in the Cold War
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