Hanging Gardens of Babylon – West Asian science
Assurbanipal in the garden (see his enemy's head hanging in the tree?) One of the Seven Wonders Nobody knows for sure when or where the Hanging Gardens of Babylon were [...]
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09, 2017
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08, 2017
Screw – Simple machines – Physics
A cider press with big wooden screws What is a screw? People always count screws as a separate kind of simple machine. But really screws are just one kind of inclined plane. [...]
