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Notices by Deb Chachra (debcha@saturation.social)

  1. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Sunday, 07-Dec-2025 00:40:48 JST Deb Chachra Deb Chachra

    I got to introduce someone to the greatest website of all time yesterday:

    https://www.mcmaster.com

    [If you’ve never had occasion to use it: just go to that link, pick something, repeat. Or look around where you live or work for something that’s broken and needs replacing and look for that part. Or think about something you might want to make.]

    In conversation about 16 days ago from saturation.social permalink

    Attachments

    1. Domain not in remote thumbnail source whitelist: images1.mcmaster.com
      McMaster-Carr
      McMaster-Carr is the complete source for your plant with over 595,000 products. 98% of products ordered ship from stock and deliver same or next day.

    2. https://cdn.hosted.spacebear.ee/sb-2393d180df251611821d77e6f02bf209/media_attachments/files/115/672/930/059/384/746/original/59b88120a3caae66.jpeg
  2. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Saturday, 06-Dec-2025 09:03:11 JST Deb Chachra Deb Chachra

    Tomorrow is the National Day of Remembrance and Action on Violence Against Women in Canada. I wrote about the precipitating event, and its role in my own life, on its 25th anniversary and republished it today: https://buttondown.com/metafoundry/archive/thirty-six-years-later/

    In conversation about 16 days ago from saturation.social permalink

    Attachments

    1. Domain not in remote thumbnail source whitelist: assets.buttondown.email
      thirty-six years later
      from Deb Chachra
      Engineering Cairn, UBC (December 3, 2025) I wrote and first shared this piece in December 2014. It’s been lightly edited and updated, including new links for...
  3. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Thursday, 20-Nov-2025 03:46:52 JST Deb Chachra Deb Chachra
    in reply to
    • Cat 🐈🥗 (D.Burch) :blobcatrainbow:
    • GreenSkyOverMe (Monika)

    @catsalad @GreenSkyOverMe My first thought too.

    The belly is (always) a trap.

    In conversation about a month ago from saturation.social permalink
  4. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Thursday, 13-Nov-2025 07:47:46 JST Deb Chachra Deb Chachra
    in reply to
    • Adrianna Tan

    @skinnylatte In case it’s not on your radar, my friend Tse Wei Lim is from Singapore and is a chef and in tech and an (incredible) writer, and his book about Singaporean food is just coming out. I don’t think he’s sorted out US book events yet but I’m sure the Bay Area will be on the list. https://letthemeatcake.substack.com/

    In conversation about a month ago from saturation.social permalink

    Attachments

    1. Domain not in remote thumbnail source whitelist: substackcdn.com
      let them eat cake | TW Lim | Substack
      from TW Lim
      A newsletter about food and value. Click to read let them eat cake, by TW Lim, a Substack publication with thousands of subscribers.
  5. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Tuesday, 21-Oct-2025 02:18:00 JST Deb Chachra Deb Chachra

    I wrote this piece during a US federal government shutdown in 2013 and everything I said then is just as true today, except I’m even more furious at the people who don’t understand the value of collective systems and universal provision.

    https://www.theguardian.com/commentisfree/2013/oct/08/charities-government-civilised-society

    In conversation about 2 months ago from saturation.social permalink
  6. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Saturday, 18-Oct-2025 23:50:13 JST Deb Chachra Deb Chachra
    in reply to
    • Paul Cantrell
    • Osma A 🇫🇮🇺🇦
    • Jesse Morris

    @aubilenon @osma @inthehands Two points I make in the book that are relevant (and I suspect why it was suggested — thanks, Paul!): i) ‘infrastructure’ is used to describe many kinds of systems, although they all do have commonalities; ii) infrastructural systems are often highly place- and culturally specific.

    The book has more detail and covers a lot more ground (that’s why it’s a book!) but I also wrote this:

    https://comment.org/care-at-scale/

    In conversation about 2 months ago from saturation.social permalink
  7. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Tuesday, 02-Sep-2025 08:03:20 JST Deb Chachra Deb Chachra
    in reply to
    • Adrianna Tan

    @skinnylatte Longtime Osedax fan here and so much of the good work is out of MBARI — a friend/colleague and I met with folks there about possible collaborations (we both did research on bone biology). Also wrote text for a visual essay on Osedax (site now defunct, alas), describing whalefall ecosystems as the ‘dark inverse of coral reefs’ (a carcass in the hadal dark rather than living coral in the sunlit shallows). Excited about making to Monterey to see the new deep sea exhibit!

    In conversation about 4 months ago from saturation.social permalink
  8. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Saturday, 07-Dec-2024 01:28:19 JST Deb Chachra Deb Chachra

    On December 6, 1989, a gunman walked into the Ecole Polytechnique [engineering school] in Montreal. He went into a mechanical engineering classroom, ordered the men to leave, and shot the women. He then went through the building, continuing to target women, before turning the gun on himself. He killed 14 women (12 of whom were undergraduate engineering students) and injured another 10 women and 3 men.

    In conversation about a year ago from saturation.social permalink

    Attachments


    1. https://sb-9g02l2bbpw.b-cdn.net/media_attachments/files/113/606/767/610/514/919/original/25155fd551119787.png
  9. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Thursday, 05-Dec-2024 08:55:57 JST Deb Chachra Deb Chachra

    "The social license to operate (SLO), or simply social license, refers to the ongoing acceptance of a company or industry's standard business practices and operating procedures by its employees, stakeholders, and the general public."

    https://www.investopedia.com/terms/s/social-license-slo.asp

    [I think of this a lot in the context of the fossil fuel industry but it is, of course, broadly applicable.]

    In conversation about a year ago from saturation.social permalink

    Attachments


  10. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Thursday, 28-Nov-2024 12:17:21 JST Deb Chachra Deb Chachra

    I made a quilted winter cover for the AC in my living room (in lieu of taking it out), and also a very silly joke.

    In conversation about a year ago from saturation.social permalink

    Attachments


    1. https://sb-9g02l2bbpw.b-cdn.net/media_attachments/files/113/557/784/448/777/945/original/6a635fad7d002916.jpeg
  11. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Monday, 04-Nov-2024 00:39:29 JST Deb Chachra Deb Chachra
    • Cory Doctorow

    I had reason to revisit Cory Doctorow’s (@pluralistic ) long, thoughtful review of HOW INFRASTRUCTURE WORKS yesterday and it’s so great — it means so much that he really, truly gets what I was trying to get across.

    “This is a bold engineering vision, one that fuses Chachra's material science background, her work as an engineering educator, her activism as an anti-colonialist and feminist. The way she lays it out is just…breathtaking.”

    https://pluralistic.net/2023/10/17/care-work/

    In conversation about a year ago from saturation.social permalink
  12. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Saturday, 19-Oct-2024 23:48:29 JST Deb Chachra Deb Chachra
    in reply to
    • Charlie Stross

    @cstross So, I think you touched on this in your responses, but bumping: the central tenet of materials science is that the structure, properties, and process of materials are inextricably linked. You can 3D-print a steel katana to submicron precision, but without the forging process and its effects on the atomic level, it won’t *behave* like a katana. The same is true for the flimsiest of plastic shopping bags, with extrusion and alignment of polymer molecules.

    In conversation about a year ago from saturation.social permalink
  13. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Saturday, 19-Oct-2024 23:48:27 JST Deb Chachra Deb Chachra
    in reply to
    • Charlie Stross

    @cstross I think that our engagement with materiality, embodiment, and infrastructure is so deep and so tacit that all three are easily taken for granted, especially by people whose survival needs are entirely and reliably met. Which is a good thing, to be fair! But ‘let’s ship 3D printers to Mars!’ is directly analogous to a little kid thinking that food comes from the supermarket.

    In conversation about a year ago from saturation.social permalink
  14. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Friday, 18-Oct-2024 05:19:55 JST Deb Chachra Deb Chachra
    in reply to

    I get asked what my next book going to be and I say, “I don’t have a next book — I want to do the stuff that *this* book is about.” I’ve spent a lot of the past year talking and working with people around infrastructural futures — like a TED talk! — and I’m excited about more to come.

    https://www.ted.com/talks/deb_chachra_the_invisible_networks_shaping_your_everyday_life?subtitle=en

    In conversation about a year ago from saturation.social permalink

    Attachments

    1. Domain not in remote thumbnail source whitelist: pi.tedcdn.com
      Deb Chachra: The invisible networks shaping your everyday life
      from Deb Chachra
      The basic infrastructure that controls plumbing, electricity and more is vital to your individual agency, says engineering professor Deb Chachra. She offers a crash course on how these systems connect to shape our lives — and suggests some key improvements for providing long-term, sustainable energy to everyone.
  15. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Friday, 18-Oct-2024 05:19:04 JST Deb Chachra Deb Chachra

    Happy one-year book birthday to HOW INFRASTRUCTURE WORKS! I still get messages every few days from people who’ve taken the time to tell me how much the book means to them or how it’s given them a new perspective — it’s been a genuine joy. Thanks so much to everyone who’s read it and shared it with the people around them.

    https://www.penguinrandomhouse.com/books/612711/how-infrastructure-works-by-deb-chachra/

    In conversation about a year ago from saturation.social permalink
  16. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Tuesday, 01-Oct-2024 04:06:14 JST Deb Chachra Deb Chachra
    • Christopher Mims

    FREAKING FINALLY

    "Buttons are back, baby!! This piece has been 15 years in the making, more or less."

    @mimsical in the WSJ on the resurgance of physical buttons for interfaces.

    "Fundamentally, the problem with touch-based interfaces is that they aren’t touch-based at all, because they need us to look when using them."

    Materiality and embodiment ftw.

    [gift link, courtesy of the author]
    https://www.wsj.com/tech/personal-tech/touch-screens-are-over-even-apple-is-bringing-back-buttons-86fb9ea8?st=XPWkwV&reflink=desktopwebshare_permalink

    In conversation about a year ago from saturation.social permalink

    Attachments


  17. Embed this notice
    Deb Chachra (debcha@saturation.social)'s status on Sunday, 28-Jul-2024 01:40:32 JST Deb Chachra Deb Chachra
    • Ethan Marcotte

    @beep Bumping this thread ICYMI: https://mastodon.social/@grimalkina/112859178453451593

    In conversation Sunday, 28-Jul-2024 01:40:32 JST from saturation.social permalink

    Attachments

    1. No result found on File_thumbnail lookup.
      Cat Hicks (@grimalkina@mastodon.social)
      from Cat Hicks
      Software engineers have a remarkable opportunity to advocate inside of their businesses for better policies for both themselves and colleagues. Does that mean it's easy? Absolutely not. Change is not easy. But I do think it is possible in a way that is remarkable. This is the most powerful group of people I've done research with -- I mean that. I have worked with teachers and kids and older people and women in healthcare. Software engineering as a field doesn't know what it HAS.

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    Deb Chachra

    Deb Chachra

    Engineering professor (on leave 2025-26). Researcher, communicator, connector of things, people, and ideas. Author of HOW INFRASTRUCTURE WORKS. Interested in embodiment, materiality, metacognition, and systems. All enthusiasm is 100% genuine.

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