![]() Even without the smart phones and GPS network, we still have reliable road maps, decent signage, and large easily recognizable landmarks.īut what if we didn’t? Pretend for a moment that you’ve been blindfolded, spun around, and dropped somewhere in the world. We have a host of technologies available that allow us to precisely pinpoint our location in the world. I’m going to begin with a seemingly simple question, then hopefully give you some basic tools to answer that question. The original slide show can be found at the bottom of this post. The history of celestial navigation is fascinating and deeply connected to the history of astronomy and mathematics. Of course, in the process of building these instruments, I had to learn how they work. As some of you know, I like to build things, and I recently decided to build some classic navigational tools. This post is a slightly modified transcript of a talk I gave on celestial navigation. ![]()
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