AI-powered
podcast player
Listen to all your favourite podcasts with AI-powered features
5min chapter
Sonic Bubbles
Twenty Thousand Hertz
The Last Episode's Mystery Sound
In the 20th century, as industry ramped up and our cities expanded, the world began to fill up with noise. Noise canceling headphones were invented in 1978 by Ammar Bose of the famed Bose Company. If you know that sound, then be sure to submit your guess at mystery.20k.org. To get a peek at these t-shirts, go to 20k.org slash shop.
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