Synchronized: The US Atomic Timekeepers

If you’ve ever tuned a shortwave radio, you’ve likely heard it: a hypnotic, unending rhythm of ticks, tones, and disembodied voices cutting through the static. For over a century, NIST radio stations WWV in Colorado and WWVH in Hawaii have acted as the mechanical heartbeat of the United States, blanketing the globe with atomic-precision time. But who is actually listening to these mysterious…