54 ms for neutrinos taking the chord through the Earth (using 0.22 from your result). (That's only 4ms faster than light through vacuum along the great circle.

54 ms for neutrinos taking the chord through the Earth (using 0.22 from your result). (That's only 4ms faster than light through vacuum along the great circle. Disappointing.) http://www.wolframalpha.com/input/?i=2+*+sin+%280.5+*+0.22+*+2+pi%29+*+%28earth+radius%29+%2F+%28speed+of+light%29 http://www.wolframalpha.com/input/?i=2+*+sin+%280.5+*+0.22+*...