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.
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Recent Episodes
Zone Zero
Nov 03, 2026Across the West, there's a contentious debate playing out over how to adapt homes and neighborhoods to this era of increasingly extreme wildfire risk. In Berkeley, California, it's become a particular...
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99% Invisible explores how Berkeley, California's beloved hillside gardens, shaped by early 20th-century Arts and Crafts ideals, have become a wildfire hazard in the age of climate change. The episode follows French immigrant Michel Suwadi's journey from garden enthusiast to fire safety advocate, chronicling the contentious debate over Berkeley's Ember Ordinance, which requires residents to create defensible space by removing vegetation near their homes—fundamentally challenging over a century of landscape design philosophy.
- Michel Suwadi's Love Affair with Berkeley Gardens
- The Arts and Crafts Vision: Bernard Maybeck and the Berkeley Hillside Club
100 Objects #22: AOL Disc
Oct 30, 2026In 1998, the recording industry was thriving. But the company pressing more compact discs than anyone else in America wasn't a record label…it was an internet company: America Online. The AOL Disc was...
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This episode chronicles the spectacular rise and fall of AOL through the story of its ubiquitous marketing campaign featuring free CDs mailed to millions of Americans. Led by marketing executive Jan Brandt, AOL sent out discs offering free trial hours that introduced America to the internet, at one point accounting for half of all CDs manufactured on Earth. The company grew from 200,000 to 25 million subscribers and bought Time Warner in 2000, only to collapse shortly after due to the advent of broadband, the dot-com bubble burst, and a disastrous corporate merger.
- The CD Campaign That Changed Everything
- The Challenge of Selling the Unknown Internet
Doktoro Esperanto
Oct 27, 2026Esperanto is what linguists call a “constructed language.” It isn’t attached to a nation or a region, and it didn’t evolve from another language over time. Instead, nearly 150 years ago, someone decid...
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Katie Thornton explores the history and current state of Esperanto, the constructed language designed to unite humanity through a universal second tongue. From its 1887 creation by L.L. Zamenhof to today's global community gathering at annual conventions, the story traces how Esperanto evolved from a utopian peace project to a thriving subculture that still embodies ideals of understanding across differences.
- The Origins of Esperanto in Multi-Ethnic Bialystok
- The Ingenious Design: Simple Grammar and Viral Growth
100 Objects #21: Window from the House of D
Oct 23, 2026In 1932, the Women's House of Detention—New York City's first women's prison—opened in the heart of Greenwich Village. It was opened to make "wayward" women quiet, private, and properly feminine. And ...
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This episode explores the Women's House of Detention in Greenwich Village, examining how a prison designed to reform 'unfeminine' women inadvertently became a catalyst for queer community building in New York City. Through unique windows that allowed prisoners to communicate with the street below, the House of D transformed from a rehabilitation facility into a landmark that shaped Greenwich Village's identity as a queer haven and contributed to the birth of the modern LGBTQ+ rights movement.
- The Prison's Origins: From Reform to Detention
- Architecture of Control: The Windows That Changed Everything
This episode is sponsored by Acura. From the outside, the building is a light gray spiral, and from the inside, the art is displayed on one long ramp that curves up towards a glass skylight in the ce...
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Roman Mars presents an audio tour of the Guggenheim Museum, exploring not just Frank Lloyd Wright's bold original vision, but the oddities, adaptations, and interventions that reveal how this living organism of a building has evolved over decades. The tour examines the building's construction challenges, curatorial decisions, installation techniques, and the marks left by countless exhibitions and visitors.
- Organic Architecture and the Building's Evolution
- The Top-Down Museum That Became Bottom-Up
Tony Hawk's Real-Life Willy Wonka
Oct 20, 2026A desert train built for Tony Hawk leads into the strange and thoughtful world of N.D. Austin, a designer of real-life experiences. Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% I...
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Experience designer Indy Austin, described by Tony Hawk as 'f***ing Willy Wonka,' creates transformative real-world experiences ranging from desert train journeys to elaborate funeral rituals. This episode explores how Austin's unconventional upbringing in an Alaskan doomsday cult shaped his philosophy of designing serendipity, transgression, and generosity into people's lives—sometimes without their knowledge.
- The Desert Train Experience
- Philosophy of Experience Design
The Problem With Football Helmets
Oct 13, 2026Football helmets can prevent devastating injuries, but they may also help make an inherently violent game feel safer than it really is. Subscribe to SiriusXM Podcasts+ to listen to new episodes of 9...
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This episode explores the history and evolution of football helmets in America, from their crude leather origins to today's high-tech designs. It examines the ongoing tension between player safety and the violent nature of football, the discovery of CTE in former players, and whether helmets can truly solve football's brain injury crisis. The episode features interviews with researchers, authors, and former NFL player George Visker, who suffered devastating brain injuries despite wearing protective equipment.
- The Guardian Cap Controversy and Football's Safety Paradox
- Football's Violent Origins and Early Safety Crisis
(Not Just) Another Brick in the Wall
Oct 06, 2026A closer look at the messy, beautiful bricks hiding across Chicago. Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early. Start a free trial no...
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Roman Mars explores Chicago's brick architecture with historian Will Quam, tracing the evolution of brick from essential structural material to decorative element. The conversation covers the Great Chicago Fire's role in creating a brick city, the geography of American brick-making, the transition from load-bearing masonry to steel-frame construction, and the crucial but often overlooked importance of proper mortar in preserving historic buildings.
- The Monadnock Building: A Monument to Masonry
- From Ashes to Brick: The Great Chicago Fire's Legacy
100 Objects #20: AA Sobriety Chip
Oct 02, 2026Comedian, writer, and podcaster Jamie Loftus has always known about Alcoholics Anonymous. As a kid, she loved the album where her dad kept all his AA chips – that little piece of plastic that marks a ...
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Jamie Loftus explores the history of Alcoholics Anonymous through the lens of the sobriety chip, tracing how AA emerged from America's failed Prohibition era and examining how this profoundly influential program—rooted in Christianity and designed primarily for white men—has shaped American attitudes toward addiction while often failing to create inclusive spaces for women, people of color, and non-Christians.
- The Origins of American Prohibition
- Women's Empowerment Through Temperance
Tootle of a Devilish Song
Sep 29, 2026How a Swiss mountain call crossed the Atlantic and helped define the sound of country music. Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early...
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This episode explores the fascinating journey of yodeling from its origins in the Swiss Alps to becoming a foundational element of American country music. The story traces how a centuries-old cattle herding technique transformed into a global musical phenomenon, profoundly influencing American music through artists like Jimmy Rogers while experiencing a modern renaissance back in Switzerland.
- Introduction: Jodlerfest in Basel
- The Anatomy and Origins of the Yodel
100 Objects #19: Western Electric 500 Series
Sep 25, 2026This episode is sponsored by Claude. For problems worth solving, get started with Claude at Claude.ai. The Western Electric 500 Series Telephone used to be everywhere. For over 50 years, it was the d...
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Adam Savage explores the Western Electric 500 series telephone, arguing it was the perfect consumer product ever built. Over 50 years, 92 million units connected America with unprecedented intimacy and reliability. The episode examines how AT&T's monopoly enabled this engineering marvel, why its design philosophy of zero friction and infinite repairability has disappeared, and what we lost when digital cell phones prioritized convenience over the genuine human connection that analog phones provided.
- The Mythical Object in the Foyer
- Before the Phone: Telegraph and Letters
The Rocky Statue
Sep 22, 2026How a movie prop became one of Philadelphia’s most beloved monuments, and sparked a decades-long fight over where it belonged. Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisi...
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This episode explores the 50-year battle over the Rocky statue in Philadelphia, from its creation as a movie prop in 1980 to its current placement at the top of the Philadelphia Museum of Art steps. The story examines class tensions, artistic merit debates, and what it means for a fictional character to represent an entire city, culminating in how the statue navigated modern monument reckonings.
- The Birth of an Icon: Rocky's Cultural Impact
- From Movie Prop to Controversial Gift
100 Objects #18: Hair Relaxer
Sep 18, 2026Somewhere between 85 to 95 percent of Black women in the United States have used a chemical hair relaxer at least once in their lifetime. It is a ubiquitous American product with a complicated legacy:...
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This episode explores the complex history of chemical hair relaxers in Black America, tracing how a product designed to help Black people assimilate became both a source of wealth and empowerment while potentially causing serious health problems. From slavery-era innovations to modern millionaire entrepreneurs, the story reveals how Black hair became entangled with identity, economics, and survival—and how recent research linking relaxers to cancer and fibroids has exposed the physical cost of these choices.
- The Origins: From African Traditions to Survival Strategy
- Building Empires: Madam C.J. Walker and the Hot Comb Era
Doves Type
Sep 15, 2026A legendary typeface, a spectacular friendship breakup, and one extremely committed act of revenge. Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole wee...
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This episode tells the dramatic story of Thomas Cobden Sanderson and Emery Walker, two friends who founded the Doves Press in 1899, created the beautiful Doves Type, and then saw their friendship collapse into a bitter feud that ended with Thomas throwing the entire typeface into the River Thames over the course of five months in 1916-1917. The story is presented as an adaptation of a live musical show combining narration, music, and theatrical elements.
- The Birth of a Friendship and the Doves Press
- The Revolutionary Doves Type
100 Objects #17: M43 Field Jacket
Sep 11, 2026Articles of Interest host Avery Trufelman joins Roman to tell the incredible story of the American military’s jacket problem: How should the military outfit its soldiers to make them as safe and effec...
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This episode of Articles of Interest explores the fascinating evolution of the M43 Army Field Jacket, from its scientific development during World War II to its transformation into a ubiquitous civilian fashion staple. The story reveals how military clothing went from copying European powers to pioneering functional design through rigorous testing, and how internal military politics nearly prevented soldiers from receiving life-saving gear during the war's coldest winter.
- The WWI Wool Overcoat Disaster
- George Dorio's Scientific Revolution
Kobuk the Destroyer
Sep 08, 2026Every product has to be tested somehow, and sometimes that means finding increasingly creative ways to break it. Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free an...
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This episode of 99% Invisible explores the hidden world of test engineering through Alex Davies' book 'Kobuk the Destroyer.' From bears testing outdoor gear to chicken cannons fired at jet engines, the conversation reveals how products are rigorously tested for safety, durability, and failure scenarios. The discussion covers limit testing, foolproofing, disintegration testing, and the evolving challenges of testing AI and autonomous vehicles in real-world environments.
- Kobuk the Destroyer: Testing Bear-Resistant Products
- The Origins of Modern Product Testing
100 Objects #16: Wheel of Fortune Dalmatian
Sep 04, 2026This episode is sponsored by Claude. For problems worth solving, get started with Claude at Claude.ai. If you watched Wheel of Fortune in the 1980s, you probably remember one prize more than all the...
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This episode explores the cultural significance of the Wheel of Fortune ceramic Dalmatian through the lens of game show history, revealing how these programs have reflected changing American values and dreams. From rigged 1950s quiz shows to today's mega-prize competitions, the humble ceramic dog becomes a symbol of how our definition of success has evolved from modest consumer goods to multi-million dollar windfalls.
- The Ceramic Dalmatian and a Family Connection
- The Birth of Quiz Shows and the American Dream
1-800-PODCAST
Sep 01, 2026This week, two stories about the strange power of the 1-800 number. Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early. Start a free trial no...
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99% Invisible explores how AT&T's introduction of the 1-800 number in the 1960s revolutionized American consumer culture and created the blueprint for modern 24/7 retail. The episode traces the technology's evolution from solving long-distance calling costs to enabling instant shopping, its transformation of cities like Omaha into call center hubs, and its eventual decline with the rise of cell phones and the internet. A second story examines the wild world of lawyer advertising and the regulatory battles over what attorneys can say in their commercials.
- The Birth of the 1-800 Number
- Early Struggles and the Credit Card Revolution
100 Objects #15: Bundy Clock
Aug 28, 2026In 1888, Willard Bundy created the first employee "time clock" — essentially a souped-up grandfather clock that could, for the first time, produce an accurate record of when workers arrived and left. ...
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This episode explores how the invention of the employee time clock by Willard Bundy in 1888 fundamentally transformed American workplace culture and our relationship with time. From early resistance to eventual internalization, the story traces how workers went from being surveilled by the clock to becoming their own jailers, self-regulating their time and productivity. The episode reveals the dark symbiosis between Bundy's invention and Frederick Taylor's scientific management, showing how together they turned skilled craftsmen into human machines while creating the foundation for modern workplace surveillance.
- Life Before Clock Time in Colonial America
- The Time-Cheating Factory Bosses
Spolia
Aug 25, 2026Spolia, from a Liverpool neighborhood to ancient Rome. Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early. Start a free trial now on Apple Po...
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This episode of 99% Invisible explores the ancient architectural practice of spolia—reusing materials from old buildings in new construction. The episode traces this practice from the crisis-era Roman Empire through to modern-day sustainable architecture, with a particular focus on how the Granby neighborhood in Liverpool transformed demolition debris into beautiful new building materials, challenging assumptions about what has value in our built environment.
- The Decline of Granby: A Neighborhood Stripped of Value
- Creating Granby Rock: Transforming Debris into Design