Victorious army problem
Now all this is mostly my own ideas, so I could be wrong. But see what you think: Sailors setting sail on a Greek warship I think that one important [...]
20
09, 2017
5
09, 2017
Medieval stained glass, eyeglasses, and modern glass
Medieval glass: Islamic glass (probably Iraq, 800s AD, now in the Metropolitan Museum, New York) Medieval glass-making By the 1100s, glass-making was expanding again from West Asia; there were glassworks further [...]
31
08, 2017
Roman pottery – Ancient Rome
Early Roman pottery: Campanian pottery from southern Italy Roman pottery used molds Roman pottery began with Etruscan-style pottery, but soon developed a tradition of its own. What was Etruscan pottery like? More Ancient Rome [...]
23
08, 2017
Jews in the Islamic Empire
Jews in the Islamic Empire: The synagogue where Maimonides worked in Cairo, Egypt (1100s AD) Did Jewish people help the Arab conquest? The Arabs first began to attack the Roman Empire in the 630s AD. [...]
19
08, 2017
Supernova – Space – Astronomy
Supernova from space (thanks to NASA and the Hubble Telescope) What is a supernova? Supernovas are exploding stars. Red giant stars explode when they have used up their hydrogen and helium fuel, and converted most of their atoms to iron [...]
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08, 2017
What is centrifugal force? Physics definitions
Kids playing tetherball using centrifugal force Who first explained centrifugal force? When something is going straight, it always keeps going straight unless something else stops it or turns it. (The [...]
3
08, 2017
The Reconquista – Medieval Spain
Roland blows his horn for help and tries to break his sword on a rock (Chartres Cathedral) As soon as the Moors had conquered Spain in 711 AD, the descendants of the Visigoths and the Romans [...]
23
07, 2017
Medieval Islamic food – Oranges and sugar
Orange tree: medieval Islamic food included new sweet oranges What did medieval people eat? Around the Mediterranean, people continued in the Islamic period to rely on the three main foods from [...]
23
07, 2017
Medieval Islamic environment
Bedouin tents today in the Arabian peninsula: Islamic environment Early medieval environment We can divide the environmental history of the medieval Islamic Empire into three different phases. The early phase, [...]
23
06, 2017
Sugar and the Islamic Empire
History of sugar: Sugar also has a lot of carbohydrates History of sugar in the Islamic Empire When the Abbasid army conquered northern India about 750 AD, the troops brought [...]
