The astrolabe was in use until the last half of the 17th century. The invention of the pendulum clock made clocks much more reliable, and more specialized and accurate scientific devices, such as ...

To supplement his teaching, Prof. Hogendijk produced an affordable model of an Islamic astrolabe to use in his workshops. The model was constructed of paper and plastic with a pin rotating over ...

And watching someone recreate the feat, such as by building an astrolabe by hand, can be very appealing too. The astrolabe is an ancient astronomical tool of incredible versatility, allowing the ...

Marine archaeologists say the object is an astrolabe, an instrument once used by mariners to measure the altitude of the Sun during their voyages. It is believed to date from between 1495 and 1500.

Jamie Carter is an award-winning reporter who covers the night sky. A rare eleventh-century Islamic astrolabe has been discovered in the vaults of a museum in Verona, Italy. One of the oldest ...

and is clamouring to get to grips with an astrolabe. As well as writing him a letter, Chaucer also wrote him a little instruction manual, telling the boy how to use the instrument, and warning him ...

Astrolabe Ascended Card Major Play this card ... and determine the realm's traits based on the cards that you use.In order to craft this item, you'll need the following materials: ...

Let the North Star Tell You Where You Are: Students make their own astrolabe, use it to sight the star Polaris, and determine their latitude. For more lesson plans on Antarctica and Shackleton's ...

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 ...

and is clamouring to get to grips with an astrolabe. As well as writing him a letter, Chaucer also wrote him a little instruction manual, telling the boy how to use the instrument, and warning him ...