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Neutrinos can go straight through the Earth, yes, but since they have mass their velocity is less than c.

It’s very close to c though, close enough that it beats sending a signal around the Earth.

The drawback is the impractical size and cost of a receiver.

Come on, we gotta convince the finance bros to find building better neutrino beams and detectors.

HFT peeps are Comfortable spending millions on custom high speed undersea cables to save few ms o'er request.

How about saving few hundred ms across the earth?