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99% Invisible

99% Invisible

By: Roman Mars
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About this listen

 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
  • Service Request #4: How Does the Grid in Phoenix Work?

    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.
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    33 mins
  • Service Request #3: Why Is There So Much Litter in San Francisco?

    Service Request #3: Why Is There So Much Litter in San Francisco?
    Mar 31 2026

    Why did it take nearly a decade to redesign a city trash can, and why haven't more bins made the streets cleaner?

    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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    28 mins
  • Constitution Breakdown #8: Jill Lepore

    Constitution Breakdown #8: Jill Lepore
    Mar 27 2026

    This is the eighth episode of our ongoing series breaking down the U.S. Constitution.

    This month, Roman and Elizabeth discuss Article V, which lays out the process to amend the Constitution.

    Then, Jill Lepore lays out her thesis that the Constitution is truly meant to be amended, explains why Article V amendments have become functionally impossible, and tells some fascinating stories about the people who have championed amendments.

    The 99% Invisible Breakdown of the Constitution

    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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    1 hr and 6 mins
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This is the best and most interesting pod I know and I love Roman Mars voice. it's really soothing and make me relax. I have learned so many little things by listening. It's worth going to their webpage to see the pictures for each episode too if you have the time.

Love this pod!

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I like it because there is a lot of interesting things I would never lean in school

It is interesting 🤔

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