Imagine a device that can do everything: Give you the time, your location, your horoscope, and even help you make decisions—all with the swipe of a hand. It’s overpriced, customizable and comes with a variety of bells and whistles. No, this isn’t the iPhone 7. It’s the astrolabe, a remarkably versatile tool that was used for centuries in European and Islamic cultures before being quietly overshadowed by newer technologies.
Mamluk era astrolabe%2C 1282.
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