Off Topic — HabitableZone

Off Topic » in reply to The "what ifs" of history.

re: The "what ifs" of history.

It's a lot trickier to build even a simple steam engine than most people might think. Even a Newcomen engine takes a lot of skill to construct properly.

Recommended reading: the chapter, "Fuel to the Flame" in James Burke's "Connections."

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