99% Invisible

Vantablack is a pigment that reaches a level of darkness that’s so intense, it’s kind of upsetting. It’s so black it’s like looking at a hole cut out of the universe. If it looks unreal because Vantab...

22 Jan 202038min

Journalist Sam Bloch used to live in Los Angeles. And while lots of people move to LA for the sun and the hot temperatures, Bloch noticed a real dark side to this idyllic weather: in many neighborhood...

15 Jan 202030min

This is part 2 of the 2019- 2020 mini-stories episodes where I interview the staff about their favorite little stories from the built world that don’t quite fill out an entire episode for whatever rea...

7 Jan 202050min

It’s the end of the year and time for our annual mini-stories episodes. Mini-stories are fun, quick hit stories that came up in our research for another episode...or maybe it was some cool thing someo...

19 Des 201940min

The long-awaited return of Smart Stuff with Justin and Roman, featuring Justin McElroy and Roman Mars. Make your mark. Go to radiotopia.fm to donate today. Everyone should listen to My Brother, My Bro...

15 Des 20195min

Throughout Joseph Weizenbaum's life, he liked to tell this story about a computer program he’d created back in the 1960s as a professor at MIT. It was a simple chatbot named ELIZA that could interact ...

11 Des 201945min

“Incubators for premature babies were, oddly enough, a phenomenon at the turn of the 20th century that was available at state and county fairs and amusement parks rather than hospitals,” explains Laur...

3 Des 201934min

In the 1930s, Lester Gaba was designing department store windows and found the old wax mannequins uninspiring. So he designed a new kind of mannequin that was sleek, simple, but conveyed style and per...

27 Nov 201941min