A medieval smartphone? The surprising find of a 1000-year-old device that defies history
The medieval astronomical instrument comes from the 11th-century Al-Andalus region, which is now modern-day Spain. The ...
Phys.org1 年
Rare eleventh-century astrolabe discovery reveals Islamic–Jewish scientific exchange
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 ...