Imagine you need to compute a list that takes a second to calculate, a list that is twice as long will take 2^1=2 seconds, a list that is 10 times as long will

Imagine you need to compute a list that takes a second to calculate, a list that is twice as long will take 2^1=2 seconds, a list that is 10 times as long will take 2^10=1024 as long, if the list gets 100 times as long, it will take so long that the universe will probably have burned out by then.