The growth of technology and knowledge has not recently been steady, it’s been exponential. If you magically transported a man from 500 A.D. to 1500 A.D. he would eventually adjust to the intervening changes. But take a man from as recent as 1800 and put him in our world with handheld computers and planes and particle accelerators and satellites and space exploration and ATMs and cell phones and nuclear power plants and he would lose his limited mind in about five hours! The same is true of us if we could travel into the future. After all the guy in 1800 didn’t think there was a lot left to
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