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99% Invisible

99% Invisible

By: Roman Mars
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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.Copyright © 2025 Roman Mars. All rights reserved. Art
Episodes
  • RoboUmp Hits the Big Leagues
    Apr 14 2026

    One study from 2018 found that Major League Baseball umpires blow about 14 calls every game. That’s 34,000 bad calls every year. And it makes a difference. A blown strike call can decide a win or a loss, a championship or six months at home, wondering what could have been. And while umpires are about 97% accurate in calling balls and strikes, Major League Baseball has been considering something drastic. Something to take us up to 100% accuracy. They have a plan to replace human umpires with robots. Now, with an update!

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    Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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    32 mins
  • Service Request #5: Dude, Where's My Car?
    Apr 7 2026

    A missing car reveals the confusing rules, murky fees, and private actors behind modern towing.

    What infrastructure mystery keeps you up at night? Submit your Service Request by recording a voice memo with your question and emailing it to servicerequest@99pi.org.

    Service Request is a production of 99% Invisible and Campside Media.

    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 Podcasts or by visiting siriusxm.com/podcastsplus.


    Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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    33 mins
  • Service Request #4: How Does the Grid in Phoenix Work?
    Apr 3 2026

    In a place where losing power can turn deadly, keeping the lights on is a high-stakes balancing act.

    What infrastructure mystery keeps you up at night? Submit your Service Request by recording a voice memo with your question and emailing it to servicerequest@99pi.org.

    Service Request is a production of 99% Invisible and Campside Media.

    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 Podcasts or by visiting siriusxm.com/podcastsplus.


    Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

    Show More Show Less
    33 mins
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I liked the facts and how easy it is to understand for someone random it’s a really good interesting podcast

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