The provocation sounds almost childish when stated plainly. Why send signals around the Earth when nature already sends particles straight through it. For most of human history, communication has clung to surfaces, carried by air, wires, and orbiting relays. Mountains interrupt it. Oceans delay it. Politics fragments it.
Communication
Beneath our feet, the very core of the Earth pulses with the heartbeat of cosmic particles—neutrinos, that enigmatic subatomic whisper…

