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jtotheizzoe:

I stared at this GIF explaining how a four-stroke piston engine works for far longer than I care to admit.

One day you’ll have to explain to your kids that this is how we powered our cars. I imagine they’ll be all: “Whaaaa? You used the combustion of aerosolized dinosaur extractions to drive your car? The old days were weird, mom/dad.” (they will text you that of course, from their Google Glass).