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