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WildernessAthletes

I recently read a engaging historical review discussing teh use of gears in ancient military machines. I always associated complex gear systems with much later periods, so learning about their presence, albeit in perhaps simpler forms, in ancient siege weaponry like ballistae and even possibly in so

ELI5: How Do Gear Pumps Work?
WildernessAthletes

ELI5: How Do Gear Pumps Work?

I always see "gear pump" mentioned in industrial contexts, usually dealing with fluids. I saw an ELI5 explain it once, and the analogy that really stuck with me was thinking of two gears interlocking like fingers. As they rotate, they creat