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Cake day: October 4th, 2023

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  • VR will never become mass market until it no longer means wearing a big silly looking thing on your head.

    There are various types of HMDs that look more or less like glasses, though those aren’t really VR-oriented.

    For myself, I don’t care what it looks like to other people.

    But what I want is a monitor replacement. Something that is at least as good as a monitor. Comfort, resolution, clarity, ability to be worn all day, etc. Give me a better monitor, and I will buy that.

    Existing headsets aren’t there.

    They can provide a wider field of view than a monitor, which is good for filling peripheral view in some games. But they aren’t something that people would use as a general monitor replacement. You don’t want to code or web-browse all day on them.

    If it’s not a monitor replacement, then it’s a toy, a specialized accessory for a small number of games. I’m not saying that that isn’t worthwhile to some people. If I were a hardcore flight-simmer, a genre that is a good match for the technology, that might be worth it to me. But it’s definitely not a no-brainer, and it’s something that I’d just pull out on specific occasions to enhance a game.

    I have a flightstick, throttle, and pedals, and those are, frankly, probably larger wins for flight-simming, and I rarely wind up pulling those out. They mostly gather dust.


  • Yeah, some burger places will do a sunny-side up egg, and the yolk running over things is messy…but I really like it, and will always order it if I’m at a burger place that has a sunny-side-up egg option.

    I’m hoping that someone can figure out a less-messy way to provide a similar experience. Maybe have some kind of spread that incorporates yolk, or powdered egg yolk that’s mixed in at the last minute or something.






  • Hmm.

    There are some software packages that will permit one to create virtual controllers under /dev/event/event* and use physical controllers as inputs to the virtual controller’s inputs, while hiding the original controller. That may be more-involved then you want, but it should permit for that; wouldn’t need to have a trackpad on the virtual controller, or could not pass through events. Haven’t done this recently.

    If you’re just talking about in Steam, Steam Input apparently sounds like it has an option to disable controller trackpads at the Steam Input layer, from a quick search.


  • I mean, it’s the hiring company’s job to vet you, not yours. The requirements are to provide you with some guidelines to avoid having you waste time. If you think you can do the job, I’d go ahead and apply. They’re gonna try and get the best fit candidate from those that apply, regardless. If they had more-specific requirements, like knowledge of some specific software package, they could have included it in the job requirements. I wouldn’t over-analyze it.

    If you’re concerned about it, every place I’ve ever interviewed at has had someone who is supposed to take questions from the candidate at the end of the interview. You can probably ask them there if there’s a specific set of things on Linux that it’d be useful to know.

    EDIT: And as someone who has done plenty of software development work, if someone just put down “Linux proficiency” and expected it to be interpreted without additional context as having some specific background in software development, I’d be surprised. But my larger point is that I don’t think that I’d fret about it.






  • I don’t think that the right question is to ask about the XReal One or One Pro, any more than it would be to ask about a monitor, because they aren’t storing an image and projecting it into 3D. There’s an accessory, the Beam or Beam Pro, that does the 3D projections.

    https://old.reddit.com/r/Xreal/comments/14vdrps/maximum_input_resolution_of_the_beam/

    From Xreal’s tech support:

    Although Beam does not set a limit, the final display size is determined by the glasses. The resolution of the XREAL Air is 2*1920*1080p. The spatial screen changes in proportion.

    I’m sure that there is some limit, if due to memory constraints, if nothing else. And USB-C bandwidth will limit what you can be pushing relative to the framerate. He might mean that it’s not really a practical limitation, though.

    This guy apparently ran 4k input:

    https://old.reddit.com/r/Xreal/comments/15tke6a/display_4k_or1440p_with_xreal_air_beam/

    The challenge is the physical limits of AR glasses’ bird bath optics. Past a certain screen size or zoom, you will get the borders, and it will look like you’re looking out a rectangle window.

    But you can “explore” 4K video with your 1080p glasses with 3DoF. Just don’t expect an IMAX experience with huge FoV. So, in one of my videos, I test this with my Mini PC that was connected to my 4K TV in 4K resolution and simply hot swapped over to my XREAL Beam setup. Windows was still in 4K and my Shadow PC session was still in 4K running Diablo 4.

    I didn’t turn up a straightforward specification with a couple searches, though. You’re probably going to want to be looking for the input resolution to the Beam.

    EDIT: It sounds like they also have some software package, Nebula, which can act like a Beam and have the PC do the projection.

    https://old.reddit.com/r/Xreal/comments/16kvw4f/do_i_need_beam_if_i_want_to_use_the_airs_mainly/

    I’m planning to buy AR glasses for remote work as a software developer. Do I need beam to pin the displays in place without them following my head?

    Hi. If your computer is compatible then the Nebula app can allow you to do it without the Beam. I’d test that first. The Beam’s image is a bit more stable though. Some care (I don’t), others are very sensitive to it. So, YMMV

    I could believe that with Nebula, there isn’t a software-imposed limitation short of whatever your desktop can handle, but I don’t see a hard statement on the matter.

    Might contact Xreal directly.


  • I’m not sure how actually practical compared to fun screensavers were in the CRT era, but in theory, their practical side is at least somewhat back.

    The original idea was that you don’t want the same phosphors to be illuminated all the time, or that breaks them down a bit more than those that aren’t, and reduces their brightness; you get burn-in.

    LCD displays aren’t really affected by this. The LCD elements don’t decay from being in on or off mode, and the backlight, which does decay, (usually) covers the whole screen, so the whole screen decays evenly.

    But OLED displays do have the ability to get burn-in again, since the LED elements are per pixel, and the LEDs decay with power-on time.



  • Video of this is crazy.

    searches YouTube

    https://www.youtube.com/shorts/dEL7vnQ6HEM

    Yeah, there are people hanging in the rigging afterwards.

    EDIT: Multiple of the shots on the ship’s Wikipedia page have people lined up in the rigging when entering/leaving port, so it might be something that they do on that ship as kind of a show for the people in the port, not sure.

    I know that US aircraft carriers at least sometimes have people lined up evenly at railings all the way around facing outwards when doing the entering/leaving port, have seen pictures of that. So might be something of a tradition spanning navies.

    EDIT2: Yes, it is, and apparently the standing at the railing derives from what the Mexican seamen were doing in the rigging:

    https://en.wikipedia.org/wiki/Manning_the_rail

    Manning the rail is a method of saluting (or rendering honors) used by naval vessels. The custom evolved from that of “manning the yards”, which dates from the days of sail. On sailing ships, crew stood evenly spaced on all the yards (the spars holding the sails) and gave three cheers to honor distinguished persons. Today, the crew are stationed along the rails and superstructure of a ship when honors are rendered.

    The United States Navy prescribes manning the rail as a possible honor to render to the President of the United States and for the heads of state of foreign nations. A similar but less formal ceremony is to have the crew “at quarters” when the ship is entering or leaving port.[1] Manning the rail is also the traditional way to honor the USS Arizona Memorial when it is passed by all U.S. Navy, U.S. Coast Guard and U.S. Merchant Marine vessels. More recently, as foreign military vessels are entering Pearl Harbor for joint military exercises, foreign sailors have participated in the traditional manning the rails.

    https://en.wikipedia.org/wiki/Yard_(sailing)#Manning_the_yards

    When coming into port, especially during the Tall Ships’ Races many modern square riggers will ‘man the yards’. All the crew not required on deck to handle the ship will go aloft and spread out along the yards. This manoeuvre was originally used to display the whole crew to the harbour authorities and the other ships present, to show that the ship’s guns were not manned and hence her intentions were peaceful.
























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