4th December 2019

sciencealert
17

How thick would a piece of paper be if it was folded 100 times?

Nikola Slavkovic has run through the maths of the Paper Folding Problem on his YouTube channel and has come up with this: If you fold a piece of 0.099mm-thick paper 103 times, the thickness of the paper will be larger than the observable Universe: 93 billion light-years, to be exact.

How old is the known universe?

13.772 billion years
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