99% Invisible

99% Invisible

Design is everywhere in our lives, perhaps most importantly in the places where we've just stopped noticing. 99% Invisible is a weekly exploration of the process and power of design and architecture. From award winning producer Roman Mars. Learn more at 99percentinvisible.org.

Episodes

August 4, 2026 31 mins

Behind every perfect nature-inspired design is a far more complicated story.

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In 1925, the world saw the birth of what just might be the greatest gadget in American History: the Brannock Device. The metal contraption transformed the way we measure feet forever, and more than a century after its invention…it has barely changed. Roman Mars and journalist Paul Lukas trace the life of the Brannock Device, from its role outfitting WWII sailors to its surprising endurance into the modern era, even as the en...

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July 28, 2026 33 mins

A simple cardboard box helped transform Finland into one of the best places in the world to raise a child.

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July 24, 2026 36 mins

In the early 1970s, Bruce Lee made nunchaku (nunchucks) cool — kids were building their own and buying them in record numbers. But the nunchucks craze coincided with something much bigger: the birth of a radical new Asian American identity. Roman Mars and historian Jeff Chang trace how nunchucks went from ancient weapon to symbol of resistance — not only uniting Asian Americans in the fight for their own rights, but con...

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July 21, 2026 44 mins

Neil MacGregor reflects on creating the landmark series that changed how people think about history. Then, revisit the Rosetta Stone, the artifact that unlocked ancient Egypt.

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In 1982, a twelve-year-old paperboy, Johnny Gosch, vanished from a quiet Iowa street and sparked an unlikely campaign: the faces of missing children printed on milk cartons by the billions. Roman Mars and Annie Brown trace how a regional dairy campaign exploded into a national symbol — and how the “stranger danger” fears it stoked shaped American misconceptions about child safety that still echo today.

A History o...

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July 14, 2026 41 mins

A Louisiana man born into slavery designs an airship with hopes to take flight. Those plans are interrupted, but maybe not forever.

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July 10, 2026 36 mins

In 1902, an American classic was born: the teddy bear. Named after President Theodore Roosevelt, the toy became a huge hit, and sparked an idea…maybe every president from then on should have their own viral stuffed animal. Jon Mooallem tells the story of the ill-fated billy possum, and how our fickle feelings about animals have shaped the history—and perhaps the future—of our relationship with the natural world.

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July 7, 2026 26 mins

We keep score of everything these days. But what happens when the numbers start changing what we actually care about?

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July 3, 2026 37 mins

Before the Declaration of Independence was even a twinkle in the founding fathers' eyes, there was James Otis. Journalist Jack Hitt returns to tell the wild, tragic story of America’s forgotten proto-founding father and his inflammatory 1764 pamphlet. A story that is, in many ways, the story of the founding document of the United States of America.

A History of the United States in 100 Objects is a production of 99% Invisible...

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Before the internet went global, one undersea gamble made it possible. 

Jane Ruffino’s story, "Say Goodbye to the Undersea Cable That Made the Global Internet Possible," appears in the May-June issue of Wired magazine.

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In this episode, Roman and historians Heather Ann Thompson and Elliot Williams tell the story of the sharpened screwdriver: the object at the heart of the 1984 Bernhard Goetz subway shooting. In a difficult moment in New York City, four Black teenagers were transformed in the public imagination into armed criminals. What follows is a gripping account of how misinformation takes hold, how fear shapes public opinion, and how one narr...

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Billions of state quarters disappeared from circulation...and that was exactly the plan.

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June 19, 2026 45 mins

In this episode, Roman and historian Imani Perry follow the Webster Blue Back Speller from the early days of the United States, to the heart of Black intellectual life. Through the lives of Booker T. Washington and W. E. B. Du Bois, Roman and Imani uncover how a single object became a gateway to literacy, self-determination, and an enduring debate about what education, citizenship, and freedom should mean in America.

A History of t...

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June 16, 2026 33 mins

Love it or hate it, one buzzing horn changed the sound of the World Cup forever.

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June 12, 2026 38 mins

In 1861, one man and a “gas bag” filled with hydrogen sparked America's obsession with going higher, farther, into the unknown. In this episode, Roman and journalist Jack Hitt tell the story of Thaddeus Lowe — showman, scientist, and dreamer — whose balloon flight from Cincinnati went wildly off course and straight into the Civil War. Lowe pivoted to create the US military's first aerial reconnaissance unit,...

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June 9, 2026 35 mins

Behind every cheesy karaoke track was a surprisingly ambitious filmmaking experiment.

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June 5, 2026 43 mins

What do Civil War pension files reveal about one of history's most successful slave rebellions? Historian Edda Fields-Black joins Roman to trace a story of fire, flight, and freedom — beginning on a South Carolina rice plantation in 1863, where a Union raid liberated over 700 people in a single night. By unearthing Black soldiers' testimonies buried in military pension applications, they resurrect not just the raid, but the l...

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June 2, 2026 40 mins

Canada reshaped its music industry with a quirky radio rule that changed who got heard.

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May 29, 2026 35 mins

In the early 20th century, nothing quite fit — fire hoses couldn't connect to one another, football teams played with different balls, traffic lights meant different things in different states. Then World War II exposed the deadly cost of incompatibility, and the US quietly imposed a single solution on production lines across the world: the 60-degree screw. Roman Mars and historian Daniel Immerwahr tell the story of a hidden ...

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