The Shortwave Radio in Grandpa's Garage

Fourteen-year-old Marcus thought his grandfather's ham radio setup was just a relic — dusty dials and tangled cables filling half the garage in Topeka, Kansas. But when his grandfather handed him the headset one Saturday evening, Marcus heard only static. "There's nothing there," he said. His grandfather smiled. "Listen again." Marcus tried. Static. He pulled off the headset twice, but his grandfather kept saying, "Put it back on.…