By Fascinating — Jun 28, 2024 An Archimedes' screw is a machine used for transferring water from a low-lying body of water into irrigation ditches. Greek philosopher Archimedes first described it around 234 BCE.
Would you like such a hobby? The world largest A380-800 RC model Mega XXXL Thai Airways with turbines.…
Did you know? Sudan has more pyramids than any country in the world, even more than Egypt. More than 200 pyramids were built in Sudan, as opposed to the 118
Colorized and upscaled footage of the Baker nuclear test, detonated 27 meters underwater on July 25, 1946, part of Operation Crossroads.…
Yongtai Fortress in Gansu, China was built in 1608 by the Ming dynasty to defend against attacks from northern minorities. Eenclosed by a rammed earth wall including defensive towers, due