The Silence Between the Signals

Long before smartphones and satellites filled the sky with signals, early radio experimenters were hearing something they couldn't explain. Giant antennas stretched across fields captured strange repeating pulses, mysterious buzzing, and what some believed sounded almost like language. Even Nikola Tesla and Guglielmo Marconi wondered if the transmissions might be coming from Mars. In this episode, JG shares a remarkable story from his grandfather's homemade crystal radio in rural Maine and explores the forgotten mystery that convinced some of the world's greatest inventors they might not be alone. Then, discover the incredible story of the Gallaudet Eleven—the deaf volunteers whose unique physiology helped NASA solve one of the biggest problems of human spaceflight. While everyone else became violently motion sick, these remarkable men endured spinning rooms, brutal centrifuges, hurricane-force seas, and bizarre experiments that paved the way for astronauts to survive in space. Their contributions changed aerospace medicine, yet their story remains largely unknown. Also: terrible business names, radio nostalgia, and the strange ways overlooked people sometimes make history. If you love mysterious science, forgotten history, Nikola Tesla, early radio, NASA, space exploration, and the wonderfully weird stories history forgot, this episode is for you. Learn more about your ad choices. Visit megaphone.fm/adchoices