The Really Big Technological Developments.

Re: The great Stagnation. Inventions important enough to hugely reshape human existence.

I. Language, fire, tools. When: 100,000 - 2,000,000 BCE.

II. Agriculture, pottery, cities, writing, metal smelting. When: 2,000-20,000 BCE.

III. Combustion engines, electrical power, complex mechanisms. (1 CE to 1900 CE)

Note that every one of these continues to be central to human economic life, all these years later.

(to be continued.)

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