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𝑇₀: thickness of paper
𝑇(𝑛): thickness after 𝑛 folds
𝑇(102): the size of the OBSERVABLE UNIVERSE
That is, after folding paper 102 times its thickness will exceed the size of the observable universe.pic.twitter.com/ARd7j3N46A
To be clear, a mathematical definition of "paper" has been used: An object of thickness 𝑇₀ and sufficient mass density to make such a folding possible.
Pedants: It is mathematically well defined, but physically impossible
ℓ(𝑛): minimum length of paper needed for n-folds
𝑤(𝑛): minimum width of paper needed for n-folds
𝑤(𝑛) > 𝑇(𝑛) for 𝑛 >3 ⇒ papers width would itself have to be larger than the observable universepic.twitter.com/SHimzugJ9D
Applying real-world constraints takes all the fun out of math!
U mean : impossible, right ? 
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