99% Invisible

99% Invisible


Latest Episodes

530- The Panopticon Effect
March 28, 2023

The panopticon might be the best known prison concept in the world. Its become the metaphor for the surveillance state, but very few actual prisons were built around this idea. Breda Dome is one o

529- The Wilderness Tool
March 21, 2023

The rise, fall, and unexpected second life of the crosscut saw is also the story of how America created the very concept of wilderness.

Twenty Thousand Hertz- Golden
March 17, 2023

Two stories about the transformative power of silence from our friends at Twenty Thousand Hertz

528- A Whale-Oiled Machine
March 14, 2023

Friction, tribology, and the complex art and science of lubrication

420- The Lost Cities of Geo Redux
March 07, 2023

When online worlds end

527- RoboUmp
February 28, 2023

The surprisingly long history of trying to use robots to call balls and strikes in baseball

526- Orange Alternative
February 21, 2023

The importance of humor and art in protesting (and ousting!) oppressive regimes

525- The Chinatown Punk Wars
February 14, 2023

When LA punks were looking for a place to play in the late 1970s, Chinatown welcomed the unruly scene. But it was an uneasy alliance that led to fierce rivalries, hurt feelings, blatant racism, and br

524- The Day the Music Stopped
February 07, 2023

On Aug. 1, 1942, the nations recording studios went silent. Musicians were fed up with the new technologies threatening their livelihoods, so they refused to record until they got their fair share.

523- Six-on-Six Basketball
January 31, 2023

In the 20th century, Iowa high school girls basketball was HUGE but it was not the game we know today