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I've not tried, but you're suggesting a piece of paper must be longer than the observable universe to fold it 4 times?
"𝑤(𝑛) > 𝑇(𝑛) for 𝑛 >3 ⇒ papers width would itself have to be larger than the observable universe" For n = 4, you're suggesting "papers width would itself have to be larger than the observable universe" ?
No, in that case w(4) > T(4) (since 4>3) so the paper would have to be larger than T(4). w(102) > T(102) (since 102>3) , so the paper would have to be larger than T(102), which is the size of the observable universe.
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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.
