AI-powered
podcast player
Listen to all your favourite podcasts with AI-powered features
2min chapter
Episode 6: A Silent Injury
The Sound: Mystery of Havana Syndrome
The Great Seal, It Was Bucked
In 1945, the great seal sculpture was presented to the American ambassador in Moscow by a group of Soviet school children. Inside the eagle's beak is a tiny transmitter, maybe the size of a AA battery. It took several months for them to figure out how it even worked. The thing was a passive cavity resonator, activated by a radio beam from a van outside. When people spoke, sound waves entered through tiny holes under the eagle’s beak. These vibrated a membrane that modulated the radio beam, bouncing it back as an audio signal.
00:00
Transcript
Episode notes
Get the Snipd
podcast app
Unlock the knowledge in podcasts with the podcast player of the future.
AI-powered
Discover
highlights
Listen to the best highlights from the podcasts you love and dive into the full episode
Save any
moment
Hear something you like? Tap your headphones to save it with AI-generated key takeaways
Share
& Export
Send highlights to Twitter, WhatsApp or export them to Notion, Readwise & more
AI-powered
podcast player
Listen to all your favourite podcasts with AI-powered features
Discover
highlights
Listen to the best highlights from the podcasts you love and dive into the full episode