[Uri Tuchman] began the astrolabe build shown in the video below with only a few hand tools. He quickly had his fill of the manual fretsaw work, though, and whipped up a simple scroll saw powered ...

Astrolabe Ascended Card Major Play this card to seek a Realm of moderate danger, populated by the Calcularia and the ruins of humanity's Realmic airfields. Astrolabe Realms gave rise to the theory ...

With modern GPS, we often don’t think too hard about how to navigate, but GPS does not work very well on the open sea. That is why modern ships are equipped with technology such as radar and a ...

The astrolabe was a mathematical instrument which was used to carry out astronomical measurements, to calculate the positions of the sun and the stars, and to tell the time. This one was made in ...

The identification of an eleventh-century Islamic astrolabe bearing both Arabic and Hebrew inscriptions makes it one of the oldest examples ever discovered and one of only a handful known in the ...

What I'm holding is a portable model of the heavens, in the shape of an exquisite, circular brass instrument that looks a bit like a large brass pocket watch, and it's called an astrolabe.