The windmills of Kinderdijk were built to pump water out of the low-lying lands, and they are a testament to human ingenuity in water management. These historic structures have been maintained ...
Firuz specialized in machines that could harness the wind and attract the caliph’s attention. According to the History of al-Tabari, a chronicle written in 915AD, the caliph Umar ibn al-Khattab ...