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Notices by Hanno Rein (hannorein@mastodon.social)

  1. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Sunday, 02-Aug-2026 03:39:00 JST Hanno Rein Hanno Rein
    in reply to
    • Prof. Sam Lawler

    @sundogplanets I've noticed the forecast here is often not very accurate when there is smoke.

    In conversation about 8 hours ago from mastodon.social permalink
  2. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Sunday, 02-Aug-2026 03:38:59 JST Hanno Rein Hanno Rein
    in reply to
    • Prof. Sam Lawler

    @sundogplanets 🤞

    In conversation about 8 hours ago from mastodon.social permalink
  3. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Saturday, 01-Aug-2026 04:26:11 JST Hanno Rein Hanno Rein

    Clampmaxxing #woodworking

    In conversation about a day ago from mastodon.social permalink

    Attachments


    1. https://files.mastodon.social/media_attachments/files/117/016/134/990/817/788/original/9634483bda80def0.jpeg
  4. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Tuesday, 07-Jul-2026 15:29:49 JST Hanno Rein Hanno Rein
    in reply to

    I'm using Apache on the server side. And I'd like to change as little as possible. Most importantly I don't want to rely on any third party service like cloudfare to filter or serve requests. I also don't want to add any stupid captchas. I'd welcome any suggestions. Again, the key is to change as little as possible. 2/2

    In conversation about a month ago from mastodon.social permalink
  5. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Tuesday, 07-Jul-2026 15:29:49 JST Hanno Rein Hanno Rein

    I need some help: I'm self-hosting the documentation to a scientific software package https://rebound.hanno-rein.de. This is for a small audience and it's a small, static website. Yet, crawlers have recently been hammering my server with stupid requests that make it very slow for normal users. The requests come from residential/VPN IP ranges and usually only include one request per IP. I want to block them, or slow them down. But I don't know how. 1/N

    In conversation about a month ago from mastodon.social permalink

    Attachments

    1. Domain not in remote thumbnail source whitelist: rebound.hanno-rein.de
      REBOUND
  6. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Tuesday, 09-Jun-2026 03:39:27 JST Hanno Rein Hanno Rein

    RE: https://sueden.social/@me_/116715832898810488

    When something is not available in the EU you probably don't want it anyway. Like chlorinated chicken, hormone-treated beef, large pickup trucks, and easily available firearms.

    In conversation about 2 months ago from mastodon.social permalink

    Attachments

    1. No result found on File_thumbnail lookup.
      Michael Engel (@me_@sueden.social)
      from Michael Engel
      "Siri AI won't be available in the EU" 👍
  7. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Saturday, 06-Jun-2026 03:33:25 JST Hanno Rein Hanno Rein
    • Prof. Sam Lawler

    I got another interview request regarding SpaceX orbital data centres. Clearly this is just hype for the IPO. So I’m a bit conflicted about whether I should agree to the interview or not. I don’t have anything good to say about the idea, but at this moment any publicity seems like good publicity. Any thoughts @sundogplanets?

    In conversation about 2 months ago from mastodon.social permalink
  8. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Friday, 05-Jun-2026 08:02:39 JST Hanno Rein Hanno Rein

    Guess who saved another 14 Cisco VoIP phones from the dumpster. I don't know yet what to do with all of them... if anyone knows a small town who is in need of a telephone network...

    In conversation about 2 months ago from mastodon.social permalink

    Attachments


    1. https://files.mastodon.social/media_attachments/files/116/694/103/913/455/632/original/2bb712bd0f76bb1a.jpeg
  9. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Wednesday, 20-May-2026 04:21:54 JST Hanno Rein Hanno Rein
    in reply to
    • nixCraft 🐧

    @nixCraft Find a way to say yes. No.

    In conversation about 2 months ago from mastodon.social permalink
  10. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Sunday, 19-Apr-2026 00:00:50 JST Hanno Rein Hanno Rein

    #EnvironmentCanada is planning an update to their website. As anyone might guess, information density is down, contrast is down. Size is up from 350KB to 1.7MB. #enshittification

    In conversation about 4 months ago from mastodon.social permalink

    Attachments


    1. https://files.mastodon.social/media_attachments/files/116/426/229/310/439/691/original/05cd9bd1791f5f0a.png

    2. https://files.mastodon.social/media_attachments/files/116/426/229/284/723/969/original/9262238db72dfd54.png
  11. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Tuesday, 31-Mar-2026 06:34:18 JST Hanno Rein Hanno Rein
    • Prof. Sam Lawler

    I just gave an interview with a journalist raising concerns about Kessler Syndrom and complaining about megaconstellations in general. And less than 5 minutes later, I see a post about a starlink satellite being involved in a "fragment creation event".

    @sundogplanets

    In conversation about 4 months ago from mastodon.social permalink

    Attachments


    1. https://files.mastodon.social/media_attachments/files/116/319/793/132/908/000/original/ac4e5bf37f982472.png

    2. https://files.mastodon.social/media_attachments/files/116/319/795/518/760/434/original/01caf6e974752fec.png
  12. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Saturday, 14-Mar-2026 03:46:32 JST Hanno Rein Hanno Rein

    Not worth my time. 💩

    In conversation about 5 months ago from mastodon.social permalink

    Attachments


    1. https://files.mastodon.social/media_attachments/files/116/223/210/009/766/068/original/8231f0a5f15acb26.png
  13. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Tuesday, 17-Feb-2026 02:08:25 JST Hanno Rein Hanno Rein

    I'm working on an update that improves how one can access particles in my REBOUND N-body code. The particles are stored in an array, but their position is not guaranteed to stay the same throughout a simulation. So pointers or indices don't always work. Ideally I'd like the refer to a particle with a string. I want to make it both efficient and have a nice syntax in both c and the python wrappers. So it's tricky. And the devil is in the detail...

    In conversation about 6 months ago from mastodon.social permalink
  14. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Tuesday, 16-Dec-2025 00:47:47 JST Hanno Rein Hanno Rein

    I've finished our walk-in closet over the weekend and I'm very happy how it turned out! And after edge-banding over 30m of plywood with ash, I'm getting rather good it at.

    In conversation about 8 months ago from mastodon.social permalink

    Attachments


    1. https://files.mastodon.social/media_attachments/files/115/724/152/610/079/184/original/21a9bec332feadb3.jpeg
  15. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Monday, 08-Dec-2025 06:40:03 JST Hanno Rein Hanno Rein

    I hate ads..

    In conversation about 8 months ago from mastodon.social permalink

    Attachments


    1. https://files.mastodon.social/media_attachments/files/115/680/232/114/247/213/original/7220c53c7611df91.jpeg

    2. https://files.mastodon.social/media_attachments/files/115/680/232/678/273/177/original/4b56d1edfd323159.jpeg
  16. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Thursday, 27-Nov-2025 08:50:40 JST Hanno Rein Hanno Rein

    A surprisingly good write-up of our recent paper on the formation of the Solar System:

    https://www.universetoday.com/articles/the-intruder-that-knocked-our-planets-askew

    In conversation about 8 months ago from mastodon.social permalink

    Attachments

    1. Domain not in remote thumbnail source whitelist: www.universetoday.com
      The Intruder That Knocked Our Planets Askew
      from Mark Thompson
      Billions of years ago, a rogue planet eight times more massive than Jupiter tore through our Solar System, passing closer to the Sun than Mars orbits today. That single violent encounter may explain why our giant planets don't orbit in perfect circles like formation theories predict and new simulations suggest there was roughly a one in 9,000 chance it happened at all. The discovery reveals that near misses with interstellar wanderers might be more important in shaping planetary systems than anyone realised.
  17. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Wednesday, 29-Oct-2025 03:48:42 JST Hanno Rein Hanno Rein

    Today’s harvest: beets, kale, and almost 4kg of carrots.

    In conversation about 9 months ago from mastodon.social permalink

    Attachments


    1. https://files.mastodon.social/media_attachments/files/115/453/256/220/616/194/original/a3e19bf5599e6639.jpeg
  18. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Tuesday, 14-Oct-2025 10:00:13 JST Hanno Rein Hanno Rein

    🍁🍂

    In conversation about 10 months ago from mastodon.social permalink

    Attachments


    1. https://files.mastodon.social/media_attachments/files/115/368/905/422/832/112/original/924dc6645e2cfabc.jpeg
  19. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Friday, 12-Sep-2025 10:51:47 JST Hanno Rein Hanno Rein

    🔭 It’s a clear night, so my ASTC02 students are outside collecting data with our fleet of telescopes.

    In conversation about 11 months ago from mastodon.social permalink

    Attachments


    1. https://files.mastodon.social/media_attachments/files/115/188/682/412/218/195/original/127b8bc12e3521ab.jpeg

    2. https://files.mastodon.social/media_attachments/files/115/188/682/486/419/249/original/94ab2213ea5e7dae.jpeg
  20. Embed this notice
    Hanno Rein (hannorein@mastodon.social)'s status on Thursday, 11-Sep-2025 17:41:32 JST Hanno Rein Hanno Rein

    My university now offers burner/loaner phones for people travelling to the US. Funny times.

    In conversation about 11 months ago from mastodon.social permalink
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    Hanno Rein

    Hanno Rein

    Astrophysics Professor at the University of #Toronto, Minor Planet 12249, #UTSC, #UofT, developer of the several #iOS apps, #pilot, #cycling, #climbing, #running, #Egyptology, #woodworking, #astrodon.

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