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A comment on Elon Musk is boring a tunnel to skirt gridlock. Parent comment

Re:Elon Musk is boring a tunnel to skirt gridlock by pitt1980 on Thursday February 16, 2017 @09:09AM (#13659939)
is that true? how much effectiveness are you gaining with the thinner atmosphere?
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Re:Elon Musk is boring a tunnel to skirt gridlock by hxegon on Thursday February 16, 2017 @09:28AM (#13660060)
Definitely not as much as you are losing to the inverse square law https://en.wikipedia.org/wiki/Inverse-square_law#Light_and_o...
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Re:Elon Musk is boring a tunnel to skirt gridlock by Symmetry on Thursday February 16, 2017 @09:32AM (#13660083)
It's about 40% of Earth's surface before accounting for the thinner atmosphere and about 60% after.
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