How Sonar Works

This is the story of what happens when Evan Ratliff, a longtime tech journalist, makes a digital copy of himself, powered by AI, in order to understand how amazing and scary and utterly ridiculous the world is about to get. In Episode 1, Evan clones his voice, hooks it up to a ch ... Show More

The Pope called for AI to be "disarmed" — then gave Anthropic a seat on the dais. Nitasha Tiku (The Washington Post) unpacks what the Vatican's landmark intervention means for Silicon Valley. Then, get off Nextdoor, Kyle Chayka (The New Yorker) says hyperlocal publications are in ... Show More

What happens when you let technology take over your life? Joanna Stern (Fmr. Wall Street Journal / New Things) found out. She spent all of 2025 letting the robots in: Waymos, AI therapists, robot massagers, assistant researcher agents…During that yearlong experiment, Joanna Stern ... Show More

In the 1960s, advances in technology allowed brave aquanauts to explore deeper into the ocean than ever before, but the project was shut down. Learn how Sealab worked -- and how that technology is still used today -- in this episode of BrainStuff. Learn more about your ad-choices ... Show More

Bats, dolphins, and other animals all use sonar to navigate, but the narwhal has them all beat, and it's thanks to narwhals' distinctive horns. Learn more in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio ... Show More

Seawater is salty because of several quirks in Earth's water cycle. Learn the reasons why in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/environmental/earth/oceanography/why-is-seawater-salty.htm Learn more about your ad-choices at ... Show More

<p>Aircraft carriers contain some of the most advanced technology in the world. Learn more about aircraft and aircraft carriers in this podcast.</p><p> </p> Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a> ... Show More

The original discoverers of the Polynesian Islands traversed a vast ocean, bringing civilization to islands untouched by human activity. How did they do it? In this Stuff to Blow Your Mind three-parter, Robert and Joe discuss the sheer scale of the Pacific Ocean and environmental ... Show More

This is a more complicated question than it seems because oceans definitely get in the way, but there are a few ways to attempt to walk around the entire globe -- and a few people who have tried. Learn about them in this episode of BrainStuff. Learn more about your ad-choices at ... Show More

<p>Have you ever wondered why your ears pop when you plunge into the deep end of a swimming pool? It's all about keeping your ear drum happy, as this HowStuffWorks podcast reveals.</p><p> </p> Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">http ... Show More

These amphibians spend their entire lives in the water and can regrow any part of their body. Learn more about the axolotl in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

<p>Bats use sonar to find food in the dark -- but they've got a lot of competition from other bats. Learn about echolocation and how bats go on the offensive in this episode of BrainStuff.</p><p> </p> Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.c ... Show More

The larynx contains the voice box or vocal cords, and it's one of the organs that helps humans speak. Learn more about it in this episode of BrainStuff Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.