How To Use an Astrolabe

How do you use an astrolabe? Writer Lee Lawrence takes you on an adventure as she takes on the greatest computer of its day–the astrolabe. The device helped astronomers, surveyors and navigators calculate height, tell time and aid in direction. But using them took a lot more than typing and swiping.

Read the story "Astrolabe Tech Made...Not So Easy" here. 

Video by David H. Wells