Deep Space
A interstellar space signal is detected by a radio telescope repeating in prime number cycles.
It's late afternoon when the alert chime sounds. First once, then again, after that a relentless staccato. "For goodness sakes, Valerie, turn that thing off..." Arthur starts to say, but she's already leaning forward, fingers dancing across the holographic display. "Signal's real," she murmurs, her breath fogging the screen's edge. "Deep space origin, unmodulated, repeating in... if you can believe it, prime number interv...
