One of the greatest opening lines ever — from an old @robinhanson classic on life in the year 1,000,000 AD http://mason.gmu.edu/~rhanson/hardscra.pdf …pic.twitter.com/ftcg7ohMgs
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why unjustifiable? i think (uncertainly) that it's safe to assume everyone's running at full speed to be maximally competitive
hence "psychological time". As in: Do turtles live longer than hummingbirds, from their respective inner POVs?
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