Inside Notre Dame – Paris, France
Notre Dame of Paris nave Building the apse of Notre Dame After they had pretty much finished the nave of Notre Dame of Paris, the builders worked on the crossing. [...]
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07, 2017
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07, 2017
Notre Dame of Paris – Medieval Cathedral
Notre Dame of Paris (1160s AD) Why did Sully build Notre Dame? It was 1160 AD, a hundred years after Matilda built the Abbaye aux Dames in Caen, and about the same time [...]
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07, 2017
Numbers and math
A number line is infinite in both directions. Numbers are a convenient way for people to organize their thoughts about space and time. First we can think of zero as a point, taking up no [...]
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07, 2017
Proof for circumference of a circle
Proof of the circumference of a circle Will this formula work every single time? Proving that the formula for the circumference of a circle is always true is harder than just figuring out that [...]
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07, 2017
The Yamnaya and the Indo-European language family
Yamnaya get around: Map of the spread of Indo-European languages Who were the Yamnaya? People we call the Yamnaya (Ukrainian for "People who lived in pits") seem to have been [...]
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07, 2017
Yayoi – Iron Age Japan
Yayoi pottery, ca. 100-200 AD By about 800 BC, most people in Japan were shifting from Stone Age hunting and gathering to farming rice for most of their food (but they were still also eating a lot of fish). People [...]
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07, 2017
Yamato period – Early Medieval Japan
Yamato Japan: Haniwa seated woman from a kofun tomb, possibly a Shinto religious leader (ca. 500 AD) From Yayoi to Yamato By the end of the Yayoi period (Japan's Iron Age) in 250 [...]
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07, 2017
Taika period – Early Medieval Japan
Court attendants (Takamatsuzuka Tomb, ca. 600s AD) Now that Japan had declared independence from China, Empress Suiko and her successors built a new government for Japan. They wanted Japan's government to be just [...]
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07, 2017
Stone Age Japan – Japanese history
Jomon carving of a killer whale, ca. 3000 BC - Stone Age Japan The first people in Japan People probably first reached Japan from two directions around the same time. [...]
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07, 2017
Nara period – Early medieval Japan
Model of the Empress Genmei's imperial audience hall at Heijo, Nara Empress Genmei moved the capital of Japan to the new planned city of Nara in 710 AD. She wanted the move [...]
