A rare navigational tool is back on the Isles of Scilly more than 400 years after it was lost at sea. The Pednathise Head astrolabe, dated to 1568, was used by early explorers to measure the altitude ...

This astrolabe was made in the Persian city of Isfahan in about 1715. Isfahan is now in Iran. The object includes a body with throne, a handle that holds a ring for suspending the device, and five ...

In 1603, Shahzada Salim, the future Badshah Jahangir, commissioned a curious portrait. In it, his grandfather, the second Mughal Badshah Humayun, kneels on a richly patterned blue carpet, reading a ...

Anyone who has worked with AI has experienced the moment when it feels like the system is ignoring you. You ask for one thing, get something else, and then wonder why it worked perfectly yesterday but ...

When a small, 500-year-old copper disk was discovered among the remains of a shipwreck off the coast of Oman in 2014, archaeologists suspected it was a navigation tool called an astrolabe. Now, thanks ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. The astrolabe is an astronomical calculating device used from ancient times into the nineteenth century. Measuring the ...

Besides ability to provide precise measurements of altitude, local time, and position of starts, al-Khujandi's astrolabe is of astounding beauty. Credit: The Museum of Islamic Art, Doha: Marc ...

The University of Sharjah hosted an astrolabe workshop in which western scientists showed participants how an astronomical instrument made by an ancient Muslim scholar nearly 1,000 years ago measured ...