What is a camera obscura? – Chinese Science
What is a camera obscura? This is a large camera obscura: a dark room with an image projected into it. Who invented the camera obscura? The Chinese philosopher and scientist [...]
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06, 2017
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06, 2017
Astronomy in Ancient China
Chinese astronomy: A Chinese star chart possibly dating from the 600s AD, during the T'ang Dynasty The Chinese zodiac Chinese scholars began by thinking of the stars, the sun, and [...]
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06, 2017
What are the Nine Chapters? Math in Ancient China
Nine Chapters: How to figure out the area of an isosceles triangle. A math textbook from Han Dynasty China The earliest Chinese mathematical textbook is called the Nine Chapters. It [...]
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06, 2017
Chinese Science History – Ming and Qing Dynasties
During the Ming Dynasty, not many scientists were working in China; most people who wanted to do science moved west to the big universities of Central Asia. But when Jesuit missionaries from [...]
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06, 2017
Sewing, wheels, and steel – Central Asian science
Central Asian science: A clay pot with a drawing of a wheeled cart from what is now Poland, about 3500 BC What was invented in Central Asia? Many of the [...]
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06, 2017
History of Coal – Central Asian science
History of coal: These are lumps of coal What is coal made of? Most of the coal on Earth formed during the Carboniferous Period about 350 million years ago, when [...]
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05, 2017
Universities and Tractors – Central Asian Science
After the collapse of the Mongol Empire in the end of the Middle Ages, scientists and doctors had to find homes in the courts of the smaller kingdoms that succeeded the Mongols. [...]
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05, 2017
Pinhole camera science project – Biology and Evolution
Use a Pringles can for the cardboard tube Your eyes, and the eyes of many other animals and insects, work the same way as a pinhole camera. Building your own [...]
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05, 2017
What is a brazier? Heating and Cooking
Brazier (Picture thanks to VROMA) Braziers and cooking A brazier (BRAYS-yer) is a kind of portable grill, usually made out of clay but sometimes out of bronze or iron, which [...]
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05, 2017
Bronze Project – History of Art
A copper bracelet To understand what bronze is, you need to check out some copper, some tin, and some bronze. You can get copper wire out of any broken electrical [...]
