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Viewing profile — johnwalkr

johnwalkr

HN member
Joined
Sun, Nov 04, 2018, 8:20 AM UTC
HN karma
2,341
Public activity
1,103 items

About johnwalkr

Lunar rover designer

Recent public activity

  1. comment
    Comment #49207896

    Quake came out just before I started high school and I played it a lot in those three years. I remember playing quake 1 in the LAN in university around 2002 because it was easy to …

  2. comment
    Comment #49207846

    At shop.nin.com you can buy a quake ammo box keychain. It makes the jump sound effect.

  3. comment
    Comment #49076013

    It's a great store. It's similar to Ikea in that you can go in without doing any research or shopping around and be reasonably sure that whatever you buy from one of their own bran…

  4. comment
    Comment #49075129

    If you have a bike or something, staff will scan its barcode for you. They generally see you coming and you don't have to wait.

  5. comment
    Comment #48917299

    Resistor cost is irrelevant. It's way more likely the device was updated from micro-usb to usb-c by the most junior person and it was missed. Then, any change carries some cost so …

  6. comment
    Comment #48917266

    5 years ago it was really hard to find usb-c shaver. I could only find cheap ones; I got an Enchen boost for about $10 and it has served me well.

  7. comment
    Comment #48917235

    I think your suggestion and also the author's are too big for my taste. I carry a US-style 45W GaN charger, a couple of usb-c cables, and an EU adapter (which, off the record, also…

  8. comment
    Comment #48889529

    Exactly. Even for this small board, the IC has 0.65mm spacing of the LGA pads. It would be pretty difficult to assemble it without solder mask. Almost everyone who has the experien…

  9. comment
    Comment #48750107

    They forbid their use. https://asahilinux.org/docs/project/policies/slop/

  10. comment
    Comment #48750003

    Misumi sells it, and they have an online tool to configure almost anything you want in 3D, including brackets of your choice, fasteners and accessories (like panels, hinges and han…

  11. comment
    Comment #48720375

    Most of my "favorited" comments on here are by software people with confident yet incorrect statements (usually by way of vastly underestimating complexity) about one of my domains…

  12. comment
    Comment #48552635

    In addition to the other comments, in general o-rings are actually very difficult to use for vacuum sealing. Unintuitively, at least until you have some experience in seal design, …

  13. comment
    Comment #48286187

    I don't think this looks bad but I think this will look dated very fast. The exterior looks like a continuation of the last 20 years of car designs in general, not an update to Fer…

  14. comment
    Comment #48213514

    The flipper zero was already in a grey area because it easily enables one to do things in licensed bands and do things you’re not allowed to do in unlicensed bands. They can’t plau…

  15. comment
    Comment #48106922

    I'll give you another one: In Japanese there is the (unserious) term "enbug" which is the opposite of debug.

  16. comment
    Comment #47768729

    Tokyo is relatively dense but it's nothing like what you expect from movies or from visiting there for a few days. The majority of people live in buildings 3 storeys or less (above…

  17. comment
    Comment #47682829

    If you are on the near side of the moon[1], you will always see Earth see around Earth as it rotates and as the moon orbits it. You will also see it in different phases, like how w…

  18. comment
    Comment #47562868

    At my workplace someone always orders the what they perceive to be the "best" cables. They aren't thunderbolt, they are just oversized with thick braiding. They are all so stiff an…

  19. comment
    Comment #47521177

    Personally, I like Apple's iWork. Keynote is slightly less fiddly than Powerpoint. I like that in Numbers you can have multiple movable tables on one screen without constraining co…

  20. comment
    Comment #47485910

    15 years ago I had a 7GB mobile data plan (in Japan). After 7GB, it was throttled to 100kbps. If I tethered my PC and there was an update available, or browsed modern sites (especi…

  21. comment
    Comment #47382022

    That, and using old G4 or G5 Mac cases are very common projects.

  22. comment
    Comment #47240513

    If I had to guess, with so many devices (speakers, microphone, webcam) on top of any external ones you connect, having multiple inputs especially one that can't possibly connect yo…

  23. comment
    Comment #47175391

    The historical reason why is that UK homes were wired early in history for lighting with a ring circuit going throughout the house, and this was also literally set in stone so impr…

  24. comment
    Comment #47074332

    Making different rules depending on the class of e-bikes make sense vs just pretending all e-bikes are "bikes" and allowed everywhere bikes are, even though at some point they are …

  25. comment
    Comment #47036745

    I had a new one yesterday. In Apple Music (iPhone), you can long hold on a song or album and press "add to playlist" and then select the playlist. The next action you probably want…