invention

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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 [...]

5 09, 2017

History of glass – Who invented glass?

By |2019-07-07T10:37:45-07:00September 5th, 2017|Ancient, Science, West Asia|0 Comments

Obsidian: naturally occurring glass History of glass: Glass beads from Old Kingdom Egypt, about 2700-2500 BC People have been using naturally occurring glass since the Stone Age, when they wanted an especially sharp edge on a tool or an arrowhead. What is obsidian? Egyptian science African science All our ancient Egypt articles All Africa [...]

27 07, 2017

Who invented paper? Ancient China and the history of paper

By |2019-09-05T06:42:05-07:00July 27th, 2017|China|105 Comments

History of paper: Early Chinese paper Paper invented in China Since the invention of writing, people had been trying to come up with something easier to write on than papyrus or parchment, and also something easier and cheaper to make. Read more about papyrus What is parchment made of? More ancient China articles But it took 3000 [...]

8 06, 2017

Why was the cotton gin important? American History

By |2019-03-31T13:09:06-07:00June 8th, 2017|Clothing, North America|0 Comments

Model of Indian cotton gin (1100s AD) How did people get the seeds out of cotton? When people in India first started to grow cotton, they picked the seeds out by hand before they spun the cotton into thread. By 500 BC, women in India used a rolling pin to get the seeds out [...]