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“1/r^2 has a nasty singularity at r=0, but it did not bother Newton-the Moon is far enough.” — Edward Witten
1/r^2 has a nasty singularity at r=0, but it did not bother Newton-the Moon is far enough.
“1/r^2 has a nasty singularity at r=0, but it did not bother Newton-the Moon is far enough.” — Edward Witten