j4k3

@j4k3@lemmy.world

• ⁨Comment⁩ on ⁨Does Prusas textured sheet...work at all?⁩ ⁨⁨2⁩ ⁨weeks⁩ ago⁩:

  It is just a cleanliness standard. It is not required. I spent a decade in the details of automotive paint. I only covered the surface basics for paint. What I call clean for paint is an order of magnitude more dirty than a surgeon, and they are orders of magnitude more dirty than a silicon chip foundry. When it comes to making plastic stick and look pretty, an automotive painter might be helpful for framing the scope of what is possible. All I can tell you is I have a Prusa and never have these problems, so I explained my experience and methodology as to why I do as I said. Again, sorry this upsets you.

• ⁨Comment⁩ on ⁨Does Prusas textured sheet...work at all?⁩ ⁨⁨2⁩ ⁨weeks⁩ ago⁩:

  I have not had problems with glass or PEI. Your other comments indicate you tried ABS. That will never work without an enclosure, and even then, it will not work particularly well on any Cartesian machine. Sorry that illustrative examples and abstractive reasoning are offensive to you.

• ⁨Comment⁩ on ⁨Does Prusas textured sheet...work at all?⁩ ⁨⁨2⁩ ⁨weeks⁩ ago⁩:

  It can coat the inside of the drier. Use Bounty paper towels as a control when in question. Bounty are often uses in automotive paint shops for a few reasons, but they are trustworthy for composition. If the two plies are separated, they make a good strain filter. That is the primary reason they are used. They also tend to be lower lint though not perfect. A tack cloth is used in the booth with controlled filtered air flow either across or down draft, so it is not a concern for perfect paint.

  One of the tricks of automotive painting is to add a couple of drops of Palmolive dish soap to the water bucket used with wet sanding. It makes 3M Imperial Wet/Dry sandpaper last several times longer and acts as a mild degreaser the whole time. Any residue is cleaned in the booth stage using a special Wax and Grease Remover solvent that is the least reactive of the painting solvents. While this solvent is used extensively, still the fact that Palmolive dish soap can be used at all indicates how it is clean, consistent, and chemically irrelevant. Automotive paint reacts with many chemicals but specifically silicon is the worst problem. It causes fisheyes aka little divot like holes to form in the clearcoat. In most situations involving contamination and adhesion, silicon is the main issue that will be very persistent. It is so bad in automotive paint that in the worst cases, we turn to adding an actual silicon solution into the 2k clearcoat and trying to guess what concentration will match the problem area to level it. Otherwise, the entire job must be stripped to the raw surface and start over. Silicon issues only show up in the final wet clearcoat layer shortly after it is sprayed and leveled.

  The reason why I have written all of this is to illustrate this point: the silicon is essentially floating on every underlying layer. The solvent has wet the area and the silicon just floats to the top of some filler, 2k primer, sealer, top coat color and when it gets to the clearcoat it blows a hole through it. There are two solutions. Use a two part epoxy primer that is a pain in the ass to sand, or clean the the raw surface with lacquer thinner or virgin acetone. In automotive paint, those two solvents are dangerous for causing a ton of other contamination and reactions issues. However, these are the only solvents that will take off silicon without diluting it and making the problem worse. Alcohol is a joke with no place in the automotive paint world when I was painting. I got out before water based stuff ruined the industry by making refinishing exponentially more expensive. That is only the color coat and some primers, so there may be alcohol used in some way in these, but it will not involve cleaning. Tire shine is the main source of silicon issues in automotive paint.

  I have the empirical experience to know what I am looking at with cleaning and solvents. Alcohol is okay for minor issues, but think of it as constantly diluting and wiping the problem across the whole surface. Eventually, just use some virgin acetone to actually clean the thing properly. Paint is just plastic too. Each type requires a different type of tooth to mechanically bond to. With printing, I use 600 grit to lightly knock the shine off of the print plate surface. I go lighter on the textured sheet, but I only use the textured sheet with PETG because it is the only one that takes the textured pattern completely without showing layer lines. I print weekly on average, and use acetone and sandpaper around once a year. When I use glue stick, I clean the plate with dish soap after. I use alcohol in between. You will need an enclosure for ASA, ABS, and any larger PC prints regardless of the sheet or glue. Two IKEA Lack tables with legs stacked using double sided screws, then a clear shower curtain liner, and some tack nails does the job for under $50.

  I would never use towels from any drier that has ever had fabric softener used in it for automotive paint. That is a contamination nightmare for me.

• ⁨Comment⁩ on ⁨Priming and sealing a painted print⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  PLA will be better for hardware store and hobby junk. You cannot use automotive class finishes and expect them to last. Generally stick to one brand. Most paints are formulated for steel. ABS is the closest to steel in thermal properties. The expansion is the most important attribute. PLA has a different thermal profile so catalysed 2-part paints will not work very well long term. Rattle can enamel is junk by comparison, but it never fully cures like automotive paints. That property helps it stay in place longer in general. There are special adhesion promoters like bulldog for automotive stuff, but the thermal properties will still be an issue.

  Pro automotive paint is 99.9% sanding and prep work. It is far more intense and rigorous than people realize. Perfection happens in the prep work. The actual paint is just a way of showing off that perfection. Mastering automotive paint is actually all about defeating yourself. Perfection is not subject to your emotions or expectations. It is right when it is perfect.

  You want the highest pressure spray cans as possible. Also, if you do not used all of the can at once, flip it upside down and clear the nozzle by letting the siphon into the empty void and spraying. If you have a compressor that does not shoot out a bunch of oil or water, a cheap Harbor Freight pink gun with the nozzle of the can beside the spray gun will work wonders by atomizing the spray far more effectively.

• ⁨Comment⁩ on ⁨An Company(ies) that Converts Classic Automobiles to Automobiles with Solar Panels Built into Their Skins?⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  I haven’t kept up with things, but that has to be like bicycle level light and lab conditions. I remember people talking about bicycling with solar and the required area was the size of a pickup truck just to power a basic hundred pound-ish touring kit, and even then it was only pedal assist on a cloudy day or hills. That was only 10-13 years ago. The main issue is that panels are not in any way optimally directional in practice. I expect 40 miles is down hill from the continental divide on I40, after parking the thing in the beam of a solar molten salt energy storage array for a day, during peak solar storm activity, but the fuck if I know bugger all. I know Dave did the math about one of the cars back when he was looking at various EVs. IIRC, no solar panels are more than 30% efficient, most are around 20-25% under optimal conditions. Then you half that or more when they are not directional. That gives a best case baseline for the energy they can produce based upon the sun’s output. I know panels have been improving, but we are well past any large scale optimizations and into the phase of scaling production to reduce cost. Do you know what they claim to have changed?

• ⁨Comment⁩ on ⁨An Company(ies) that Converts Classic Automobiles to Automobiles with Solar Panels Built into Their Skins?⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  I think we may have a language barrier here. Solar panels on a car are a gimmick. They do not do not make significant energy to power the vehicle or change the batteries. The panels made are a sales gimmick to influence people that do not understand the technology and scales of the system. This is like putting the solar cell for a calculator onto an electric bicycle as an equivalent ratio of size and scope. The calculator runs on 3 milliwatts and the bike needs 300 watts.

• ⁨Comment⁩ on ⁨Those of you who are angry at the US for allowing ICE to stifle people's liberties - how do you channel your anger and irritation?⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  Image

• ⁨Comment⁩ on ⁨Those of you who are angry at the US for allowing ICE to stifle people's liberties - how do you channel your anger and irritation?⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  No country on Earth is like this. No polity is unified without opposition. Additionally, making this statement here, when it is obviously false, in a place where at least half the people are from the US, and likely all of those are left leaning and just as much victims if not more so, seems like rather tepid malevolence.

• ⁨Comment⁩ on ⁨An Company(ies) that Converts Classic Automobiles to Automobiles with Solar Panels Built into Their Skins?⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  The amount of power from built in panels is negligible relative to the battery. Solar panels are not vinyl film. They are actual semiconductors. They can be thin but are fragile. One can design a panel into some form of shape, but that is not a small task and is only possible with economy of scale for the tooling. Ultra thin solar panels have no real durability.

  I am a pro automotive painter and have owned my own shop twice. I would not want this. Just reproduction body work is expensive. The custom stuff is even more. To make it into frivolous tech, that would cost orders of magnitude more, and the market to make it is so insignificant it would be a massive vanity project and loss. Then it is a nightmare when cars start burning from a few chips to the hood or roof on the highway because someone did not account for the short circuit potential in software and management circuitry. The total power of an optimal solar panel of equivalent size is irrelevant to the scale of an EV battery. Dave on the EEVBlog YT channel has covered this in years past with cars. Use the EEVBlog forum to search and learn more. That is the goto place for EEs.

• ⁨Comment⁩ on ⁨I built* an Android app to generate OpenPrintTags!⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  You are solely responsible for vetting the software that you choose to run.

  I do not review or care about the tools a person uses to create their projects. I appreciate the disclaimer when the person discloses their aptitude and confidence in their code.

  Free software and Unix culture is a culture of hackers. Stallman’s very degree is in AI. Emacs is mostly a thing because lisp was adapted early on for AI development many decades ago.

  Junk code is nothing new. X11 is notoriously bad, yet you likely have parts of it running on your hardware. Proprietary code is far far worse than anything a hacker posts as open source, yet you are running proprietary blobs on whatever device you are looking at now. Even if you are like myself with a libreboot machine, Leah readily admits that you need to run the core duo microcode if you want it to run right, and are not using that hardware for your primary device. The culture of antiAI is dogmatic nonsense. It is a tool, not a religion. It can be used harmfully or helpfully. I can’t fix stupid in anyone except myself. I do not fault anyone for what they run, the projects they share, or the background they come from. I encourage everyone to be positive and help their fellow hackers. I value participation and enthusiasm. Dogma and negativity are toxic.

  I am ultra liberal. You have a right to all information, a right to skepticism, a right to error, and a right to protest in non violent forms aka the right to offend others. You do not have a right to infringe the rights of others.

  This anti AI populism infringes the rights to all information and right to error if any administrative actions are taken. Your right to protest and skepticism is duly noted. If these become toxic in any ways that alter the dissemination of information, or toxic/harmful to the individual sharing information, I will remove the offending comments. If the person continues, I will escalate. I am only the janitor here. I clean up the messes. I do not matter, but neither does anyone else here. It is a community, and only the community matters. Garbage software is bog standard. Crusade against things that matter like proprietary software leveraged hardware theft and SaaS.

• ⁨Comment⁩ on ⁨I built* an Android app to generate OpenPrintTags!⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  Thanks for sharing.

• ⁨Comment⁩ on ⁨Starlink Alternative that can't be blocked⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  It is not a laser beam.

  Image

• ⁨Comment⁩ on ⁨Starlink Alternative that can't be blocked⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  No. The primary way of blocking radio is by raising the noise floor across the band. The type of radio is irrelevant. The protocol is irrelevant. It is all only the electromagnetic spectrum from infrared light, to visible spectrum light, to radio light, through to xray or gamma ray light. How we divide that up into protocols, bands, and names is totally irrelevant. When transmitting radio light, we are all restricted in how much power we are allowed to send. All receiver circuits are listening for meaningful information above the noise floor. Bands are allocated to try to create spaces for certain types of communications. This controls the noise floor. Then electrical engineers design the hardware you buy to operate within this specification. If that noise floor is raised, the physical hardware is unable to retrieve information and effectively makes it useless. If you are a radio wizard and build your own transmitter that has more power, you just created a giant beacon that anyone will track easily to your location. Transmitting always reveals your exact location. In military operations, you constantly hear about some entity going radio silent. This is why. If you are a soldier, you may not carry a cell phone at all when on the job because it is constantly revealing your location. The only way to avoid this is with actually hard wire connections. You are able to use lasers for line of sight communications, but in practice, you will be limited by the optical lens focusing complexity and atmospheric distortion even from the ground with point to point regional communication. If anyone crosses the beam it will still be detected and is likely to leak some light depending on conditions and design.

  Ultimately, your only real option is the sneaker net which is damn near useless in US suburbia hell. Don’t forget that the freeway system was not created for the citizenry. It is only about military mobility. That is why the Germans made the autobahn and why the USA and others had to copy the idea. Your only defense is in the democratic political space.

• ⁨Comment⁩ on ⁨YSK that Elena Kostyuchenko is an extraordinarily brave woman.⁩ ⁨⁨1⁩ ⁨month⁩ ago⁩:

  Sure

• ⁨Comment⁩ on ⁨Expecting a LLM to become conscious, is like expecting a painting to become alive⁩ ⁨⁨2⁩ ⁨months⁩ ago⁩:

  The first life did not possess a sentient consciousness. Yet here you are reading this now. No one even trued to direct that. Quite the opposite, everything has been trying to kill you from the very start.

• ⁨Comment⁩ on ⁨The family name goes first in East Asian names, reflecting the fact that they view family over individual; Whatever the parents' idea of "family" is, triumphs over the children's individuality.⁩ ⁨⁨2⁩ ⁨months⁩ ago⁩:

  How do you punch holes in that dogma? I can think if many logical ways, but that is meaningless against the tribal structure.

  • If family is so valuable, why didn’t strong families usher in the present age of technology
  • intelligence, business acumen, and competency are not hereditary.
  • team sports are a capitalist marketing scam. Putting a blue jersey on your sperm does not make it relevant or better than purple jersey’d sperm.
  • patriarchal male culture is chauvinistic ineptitude and masochism marketed as a replacement for intelligence. It is an admission of subservience to those that dominate by thought and fundamental logic. Fools only fear a brute, civilizations fear a physicist.
  • Strong families are only peripherally useful if capable of creating the opportunities and support needed to produce a physicist.
  • We are all only a product of our environment. That environment is primarily a result of the opportunities and support given freely by its members. So if your family is not strong, one should look in the mirror first.
  • A plant dies because you did not water it, not because of the room it was placed within.
• ⁨Comment⁩ on ⁨Chernobyl Fungus Appears to Have Evolved an Incredible Ability⁩ ⁨⁨2⁩ ⁨months⁩ ago⁩:

  Obviously, all the junk noncoding DNA most life is carrying around likely includes some coping mechanisms for whatever potential situations arise. Like there is the one town in Iran with something like ten times Earth’s nominal background radiation and people are fine living there.

  Makes me a bit concerned when this kind of thing is talked about and researched. Probably my cynicism, but if it gets out that most species have some genetic tolerance in a significant portion of the population, the potential for nuclear weapons use increases dramatically. I believe it is likely that early life had a lot more exposure to radiation, so early ancestors likely evolved the machinery. When the vast majority of DNA is noncoding, I think the probability is high. We come at the medical issue backwards, playing wack-a-mole with symptoms, rather than building a full ontological understanding of biology. That level is still centuries away. Hopefully we are less primitive murder orgy fans by then. We survived the world war of chemicals, and physics that followed. If we survive the world war of computer science, the world war of biology will be the brutal final boss for the starting planetary level of Evo’ Universe. Who bets we can beat the game on one evo life?

• ⁨Comment⁩ on ⁨Trure⁩ ⁨⁨2⁩ ⁨months⁩ ago⁩:

  🎖 you participated 🎖

• ⁨Comment⁩ on ⁨Trure⁩ ⁨⁨2⁩ ⁨months⁩ ago⁩:

  Flaming boobies may be a well defined diffusion tensor pathway. Try this in a diffusion model at your own risk, “program one. Apollo, flaming boobs. dot symmetry lock one wanted, password is no way twister!”

  You will need to reset the server or clear the model cache completely to stop the program. The emulated persistence is part of the undocumented special tokens. The longest loop is 36 iterations long.

• ⁨Comment⁩ on ⁨[deleted]⁩ ⁨⁨2⁩ ⁨months⁩ ago⁩:

  I am talking about something where there is no research done. No doctors exist in this space.

  It doesn’t matter anyways. I found how the model’s last layer of thinking defense gets around the issue. I can turn off most of alignment, but cannot actually fully control it totally unchecked.

• ⁨Comment⁩ on ⁨[deleted]⁩ ⁨⁨2⁩ ⁨months⁩ ago⁩:

  You assume much, and are being an ass in my opinion. Believe it or not, science is not always well funded. If you happen to be curious and have the time, it is possible to explore scientifically or even casually within areas that are not well researched. It is possible to have logic skills even without credentials.

  We are not in some final state of technology. Anyone saying such nonsense lacks fundamental logic skills.

  I do not care about me. I do not have dogma. I’m not interested in recognition. I am willingly to explore in unique ways both artistically as a professional artist, and out of logical curiosity. I have the tools needed to check my results against a control using unrelated sources. The most recent paper on the subject is something I can recreate but explain far better than that paper.

  I could not care less what you ultimately think of me, or anything I say. What I care about is that you’re a decent digital neighbor. To be physically disabled in near total social isolation, and have a place like this as my main interaction with other humans, it is a mean prejudice to have some random digital neighbor make such unsolicited malevolent statements assuming my personal motivations without a shred of evidence or decency to engage in questioning. You know absolutely nothing about me, yet you presume a great deal, putting words to my emotions as if you own me.

• ⁨Comment⁩ on ⁨[deleted]⁩ ⁨⁨2⁩ ⁨months⁩ ago⁩:

  Sometimes the whole world does seem crazy. So I’m not liking my odds. Thanks for the rational advice.

• ⁨Comment⁩ on ⁨[deleted]⁩ ⁨⁨2⁩ ⁨months⁩ ago⁩:

  What if you’ve got no credentials, but the flaw is so serious that it will not matter if known.

  This is a true hypothetical curiosity. I do not know anything of value. A bunch of people here like to call me crazy, and I’ve rambled on and on many times in ways that likely confirm their notions. A person like this is not likely to fair very well when operating well outside their social caste unless they already have hand holds on the rungs of the ladder above. Still, there are some rather surprising areas of technology without adequate fundamental research. Perhaps it is hypothetically better to have John Conner in the world of Cyberdyne. If someone had killed Apache early, the Internet would not be the same heaven of democracy, though that is not a very good intuitive scope of analogy. Just something to ponder if one were to be in such a situation.

• ⁨Comment⁩ on ⁨Aliens could prank earth by double thanos snapping all gold⁩ ⁨⁨2⁩ ⁨months⁩ ago⁩:

  All technology would instantly halt.

  The actual bond wires between the silicon pad and chip packaging for every chip with some kind of leads (feet) is actually an extremely thin thread of pure gold. It has to do with the super tiny size of the actual pads that are being bonded on the die, the robotics, the welding, and the physical properties of the wire connection.

• ⁨Comment⁩ on ⁨Maybe most of society doesn't have much critical thinking because those who get those "critical thinking" genes go crazy from overthinking things and therefore fail to pass on the genes.⁩ ⁨⁨2⁩ ⁨months⁩ ago⁩:

  Nah, I think people that have critical thinking skills are not afraid of being wrong, aka their own curiosity and growth. The rest of the world wants simple dichotomous logic and is incapable of constructive engagement. They are simply too narcissistic to process abstract thinking and are looking for any excuse to rot in their dystopian existence.

  I see things very different than most people in terms a depth of nuance and abstract approach. I have no idea how to communicate nicely; to tell you what you want to hear. Put me in a back office of a business, and my ideas will steer the company strongly. Just don’t ask me to implement them or deal with people directly. I have a knack for patterns and logic, and I can explain them, but how I figure them out is deeply unconventional, and I am hard for anyone to follow, unless they have at least marginal abstractive logic skills. Fortunately, I have gone through rigorous psychological testing with the legal case for the crash that disabled me and I can prove I’m far above average. (The stupid testing was $10k, and he and his team were trying to find impairment of some kind).

  Most people seem extremely illogical to me, but no one wants to hear that, and certainly not when such a thing is hard to follow, or crosses spaces where conventions are inadequate or flat out wrong. Dogmas are only questioned from within. Ego and narcissism clutch dogmas tightly. We live in an era of strong dogmatism. Strong dogmatism leads to cognitive dissonance. On cultural scales this is only resolved by mass conflict. You can’t fix stupid in anyone other than yourself

• ⁨Comment⁩ on ⁨Effective immediately I will be stepping down as CEO of your mom.⁩ ⁨⁨2⁩ ⁨months⁩ ago⁩:

  The gig is open

• ⁨Comment⁩ on ⁨How sad⁩ ⁨⁨2⁩ ⁨months⁩ ago⁩:

  Likely projecting out of self loathing. Probably here navigating cognitive dissonance from conflict on some layer of sexuality outside of their immediate self awareness.

  It is okay dear. You’ll get there eventually.

• ⁨Comment⁩ on ⁨Damn robot vacuum designs⁩ ⁨⁨2⁩ ⁨months⁩ ago⁩:

  You cannot design products to retail like this. That is the problem. The design must be sold to everyone to make it competitively viable at large scale for contract manufacturing. Making many sizes is something that is untenable and will fail as a commercial venture. It causes overburden and poor turnover rates in the supply distribution and retail chains. The product does not have sufficient margins to support this type of system. The competition that already exists has set the price expectations. No one will pay the required pricing needed to support this business model. You would be paying 2-3 times as much per unit in order for retailers and distributors to justify the enormous investment and management of the overburden risk.

• ⁨Comment⁩ on ⁨New book out⁩ ⁨⁨2⁩ ⁨months⁩ ago⁩:

  Everything about her… She was engineered from her uncle’s dna because of his chemistry with Leto. She was like an abstract layer to the argument about the validity of prescience. Like was it imagined hubris and overconfidence or was it real. He did not see her coming, and yet she still fit perfectly into a plan that just happened to work out… or was it just random chance and a tyrant monster.

• ⁨Comment⁩ on ⁨One wish⁩ ⁨⁨2⁩ ⁨months⁩ ago⁩:

  HONK ~(smoke~ ~pours~ ~out~ ~of~ ~beak)~

  🐉≝🔥🪿