𞋴𝛂𝛋𝛆

  • 11 Posts
  • 196 Comments
Joined 2 years ago
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Cake day: June 9th, 2023

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  • Has anyone ever seen this tried with photoresist?

    I’m assuming “Blu-ray” is likely sales slang for 405nm near UV -ray. 405nm light works well with typical photoresist film. It would be a pain to cut a circuit board to the required dimensions and balance it, but holy crap the resolution is insane beyond anything one can easily achieve with a transparency based exposure.

    I have several sheets of ultra thin double sided copper clad and thin FR4 blanks I wanted to use to make 6+ layer boards for kicks and giggles but have never been motivated enough to master through hole platting; holding on to unrealized dreams of strike expanding a thin copper cylinder made of wire, cut to size, and a spot of solder paste on the connected layer, - in other words massively tedious work to unlock unlimited smallness like phone class circuit compactness… until I realized I can’t solo-effort-create what takes hundreds of people IRL and designing tiny is a PITA.

    Still, economic access to tiny processes is a tools of the future level hack… I suppose it will be very challenging to access the focal range of the laser in this system. Cool thing to think about though.



  • Works both ways though. It was an interesting post and overreacting discourages others from posting when it is difficult to find a place where something fits.

    We really need people that post cool or unique stuff far more than we need any unnecessary pedantism. Just because you imagine some specific category of a community does not make that universal by any stretch. This OP is trying to participate in posting with over twice the posts that you have made on this account. I’m an order of magnitude more than them in that regard. Posting is something to value highly from anyone here, narcissistic whining – not so much. I would post a lot more if people were more positive, as would many others, remember that. You are either part of the problem or part of the solution, but you are not an exception.







  • We were a whole lot poorer when everything was only regional. We need a balance. We will be a whole lot poorer and belligerent as a species if we are totally insular.

    We are actually pretty close to being able to defeat the resource scarcity of our planetary prison. Gravitational differentiation is a bitch for sequestering almost all of Earth’s heavy resources after the Theia collision and the last time the entire surface of Earth was molten. The continents are like the flux or froth that rises to the surface. Nearly all of the heavy elements on the surface of the planet are from astroid collisions that have happened since the continents formed. The thing is, there are these things called m-type asteroids that are remnants of planetesimal cores broken apart in the early formation of the Sol system. Some of these large m-type asteroids are in near Earth orbits. These are differentiated, aka concentrated with rare elements. Fully accessing just one of these has a potential to completely upend what wealth means and all of our financial institutions. It could easily dwarf all human resource wealth that has ever been accessed on the surface of Earth. Accessing this kind of resource wealth will drive us into space in the future at large scales. We already have the materials science to build O’Neill cylinders that have Earth like centrifugal gravity and are 9.1 km in diameter by ~30 kilometers long. The scientific papers establishing this were published by Dr. O’Neill in the 1970s. The only thing holding us back is the will and the resources. We only get to that future if we put aside tribalism and work together.

    We don’t need this dichotomous oversimplification of all or nothing. We need balance and we need to stop the culture of unregulated unethical capitalism. Capitalism must be regulated like the drug addicted STI ridden whore that it is and handled like a worthless ragdoll because this is what it really is. Corporations are disposable worthless things. They are not people. They should be the homeless beggars. They are the fodder on the front lines of conflict because corporations and companies are not people and killing them is a great and valiant thing. New companies can fill the voids. This is the whole point in capitalism. The problem is that we have let companies rule over people and that is feudalism. It is not a democracy at all. Whores cannot lead or rule us or we fall apart. They have no ethics, no values. They would just as soon kill you, but that is okay only because they are not people and they must die with extreme prejudice. Businesses have no rights except to be useful for a time. Being established as a business must become a liability not an asset because it is within real open market capitalism. No one gets all the gambles right every time unless they are cheating and in both cases they must die.






  • 𞋴𝛂𝛋𝛆@lemmy.worldtoAnimemes@ani.socialme_irl
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    3 months ago
    I don't commute or ride in traffic any more. I have no margin left. My last hit was in early 2014. Bosch drive e-bikes became retail available around the summer of 2013 in south Orange County California, and were not present in substantial numbers until around 2018.

    Now, drivers are much more aware of faster bikes in bike lanes. In all the crashes I was in between 2009 and 2014, I was even faster than most e-bikes are now, but I was an extreme anomaly in that respect. Bikes were not super rare on the road, but racers on general roads commuting have always been rare. Like if you’re going to train, it is not on the surface streets. Several of my crashes were from a time when I rode a 33 mile route each way to and from work 5-6 days a week. I’m one of the most hardcore all-weather, nothing-stops-me roadies you’ll ever meet. Like I ride home with broken bones just to say I made it.

    Anyways, I’m on a tangent. On the road, around unpredictable drivers, my rather rare speed led to crashes. I had hundreds, if not thousands, of near misses. I had 6 crashes from cars in 150k miles of riding and have had none since. I am at around 250k now. I’m a lot slower by average speed, and I never ride around traffic like I did back then. Both of my bad crashes were from someone making an illegal u-turn. That is the one event where intuition lies and there is nothing a person can do to escape.

    It looks exactly like all of the hundreds of times when someone has pulled out in front of you and cut you off. So you instinctively swerve, but as you do so, the car keeps going and closes the escape route faster than the brain will reprocess the inputs.

    It is no different for a driver in a passing car. The worst scenario is being on a bike, right behind that passing car, and being as fast as the cars on a slight down hill when someone pulls a sudden u-turn into a passing SUV. That is what got me. The car in front of me was doing 35mph and never braked. It was a Jeep Grand Cherokee t-boning a Mitsubishi Montero. I know all about it from court stuff, but I went black retroactively to the moment I merged behind the Jeep until I was in the ICU 3 hours later. I braked according to witnesses, but my Garmin GPS computer showed I made contact at 29.7mph. I was folded in half backwards.

    All but one of my crashes were like that, where it was absolutely due to errors of dumb drivers. All were also in the most southern parts of Orange County CA, in smaller areas with poor infrastructure. At the time, I rode mostly in more developed areas of city with better infrastructure and those are generally much safer. I had a lot of close calls in those areas but they are usually avoidable within the space available, unlike people that get lost or are dopey on the fringes where there is no proper infrastructure.


  • 𞋴𝛂𝛋𝛆@lemmy.worldto196@lemmy.blahaj.zoneRule
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    3 months ago

    Last time I was in a cafe was ~2012 playing MW3, CS, and 2142. Seems like that was a good time to exit. Maybe one day games will exist again. I’d love to get back into some, but without clear and tangible ownership rights to what I purchase with no strings attached, I am not at all interested in any game. I expect all features and complete autonomy or I simply opt out completely and hope all the corporate pirates burn. I can only fix me, and talk about it to say this shit is not normal. It only exists because you allow and vote for it with your money. Things could be better.


  • 𞋴𝛂𝛋𝛆@lemmy.worldtoAnimemes@ani.socialme_irl
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    3 months ago

    I’ve been hit by 7 cars in 6 crashes. Three caused only a few scratches and bruises, one made a wheel taco, one left the bike frame in two pieces, and the last cost me 8.5 of 9 lives to fight and total two SUVs. I can’t say that I recommend any, but I will say definitely don’t fight two at once