Difference between revisions of "Innovation"
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==Timing:== | ==Timing:== | ||
http://www.ideafinder.com/history/timeline.htm <br> | |||
Ancient BC Innovation Timeline | |||
B.C. | |||
YEAR Milestone | |||
500,000 Fire tamed by Homo erectus. | |||
50,000 Homo sapiens (modern man) appears. | |||
20,000 Invention of the bow and arrow. | |||
12,000 Domestication of animals begins. | |||
8000 Agriculture invented. | |||
7000 Pottery. | |||
6000 Weaving. | |||
5000 Irrigation systems developed in the Middle East. | |||
4000 First use of metals - copper smelted for making tools. | |||
3500 Bronze, a hard copper tin alloy, discovered and used for making weapons, tools and armor. | |||
Wheel appears in Mesopotamia | |||
Writing invented in Sumeria. | |||
3000 Abacus invented by the Chinese. | |||
2800 Egyptians devise the 12-month, 365-day calendar. | |||
2737 Tea invented in China by Emperor Shen Nung | |||
1550 Earliest surviving medical textbook written in Egypt. | |||
1100 Iron Age starts. | |||
700 First purpose-made sundials appear. | |||
650 Standardized coins used by Greeks. | |||
512 Chinese produce cast iron from blast furnaces. | |||
510 Greeks produce the earliest surviving world map. | |||
400 Two Greeks invent the catapult, the first artillery weapon. | |||
312 Work begins on the Appian Way, the first great Roman road. | |||
210 Archimedes, the Greek scientist, invents the Archimedean screw, for raising water, and works out the theory of levers. | |||
100 Glassblowing invented in Syria. | |||
==Web Resources:== | ==Web Resources:== | ||