Hanging Gardens

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15 09, 2017

Hanging Gardens of Babylon – West Asian science

By |2019-09-29T11:17:26-07:00September 15th, 2017|West Asia|0 Comments

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 built. But they were already famous as one of the Seven Wonders of the World in the Hellenistic period, about 200 BC. The most likely [...]

17 08, 2017

Screw – Simple machines – Physics

By |2019-04-24T20:06:22-07:00August 17th, 2017|Physics, What|0 Comments

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. They are such an important kind that we give them their own category. Inclined planes Simple machines All our physics articles Who invented [...]