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How Astrolabes Work

electronics.howstuffworks.com/gadgets/clocks-watches/astrolabe.htm

Astrolabes are exquisitely crafted instruments that have hundreds of uses. Isn't it time you learned how to use this handy decoder of the sky?

Can You Name the Vintage Item From a Description?

play.howstuffworks.com/quiz/can-you-name-the-vintage-item-from-a-description

Have you ever used a flash cube? Do you know a vinaigrette from a reticule? If you answered "yes," then this quiz is for you! Fire up your flux capacitor because we're taking a nostalgic trip to days gone by to identify these vintage items!

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