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Joined 3 years ago
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Cake day: June 29th, 2023

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  • Oof, I always wondered if there were more things of his that were inaccurate.

    What I caught was the hexagon video and his claim about triangles (combined to make hexagon) being the best for building rockets. I worked in the launch side of aerospace at the time, and true Atlas V and Delta IV were built with triangles… But only on their booster tanks. Their upper stages had a completely different design structure, as do Vulcan, Falcon 9, Starship, New Glenn, Electron, etc etc

    Triangles were only used on Atlas V and Delta IV because CAD in the 90s didn’t do rectangles very well. That’s not a problem anymore, so triangles don’t get used



  • Current defense worker here:

    Was talking with a coworker recently about how ITAR/EAR rules are hilariously out of date. Basic IMUs coming from China these days are good enough that you can establish a reasonable dead reckoning nav to where those parts of the munitions list are just defunct. Shit I did that in college ten years ago with high power rockets and things have only gotten better.

    The new proposed regulations over AI chips are also wildly misguided and demonstrate how Congress/Executive branch have no idea what the tech even is. The top of the line chips today are needed for LLMs, fast fixture acquisition and tracking can be done on a way less powerful piece of hardware that new regulations will fail to stop (that’s even assuming that the bans would have worked in the first place, which they won’t)


  • I mostly listen to just LTTs podcast WAN show and on there Linus has said several times over the years that he doesn’t like having his kids in videos, he finds it grimy and takes a real issue with family YouTube channels since the kids don’t have a say.

    His family only appears in videos when they ask to be in a video, and even then he makes the kids do the pitch so they have a real vested interest in wanting to be in the video.

    That’s why his one son has been in several videos, one daughter has been in a couple, and the third I think was just in one video years ago. The videos can be a bit clunky because while the adults in the room try to make a video engaging and interesting there’s only so much they can do. Linus has also stated that he’d sooner let LMG as a company fold than just hand the reigns to his kids.

    The clunky pool and yard video iirc was a case of the business development team signing a brand deal and the video production team not knowing what else to do


  • I’m a gun owner, I enjoy shooting, and I agree that carrying a rifle is more terrifying than a hand gun here.

    It’s a power play, and a fantasy attempting to become reality.

    You carry a rifle like that because you want to be seen with it. You want others to fear you because they see that you have the power of death in your hands. You want to feel like you’re the big man in the situation, and if that’s your line of thinking, I’m more inclined to think that you’re the type to escalate a situation where you’ll feel justified to use that power of death and and actually shoot someone.

    If you were actually concerned about defense you’d carry a small pistol that you can grab in a moments notice, action it to put one in the camber, aim, and pull the trigger. A rifle like that you’re not carrying loaded, maybe you have a loaded magazine in your pocket but you’re still several seconds away from me able to actually shoot it. It’s bad theater



  • Carrying forward technical knowledge is definitely a big help. I suspect that’s why Atlas V was able to pay for itself because the booster was so similar to Atlas III which itself was similar to Atlas II.

    The satellites I work on play this game constantly. Mission A and B both use the same underlying tech that needs to be developed, but mission A is first. So we charge mission A with all of the cost and then mission B looks a lot cheaper on the books


  • I work in the aerospace industry, mainly to satellites these days but I’ve worked in launch in the past and have plenty of friends who have as well.

    That 450 figure is probably all of Falcon 9s development which has gone through several design iteration cycles. Industry rumors point to a new Falcon 9 booster being around $50 to build and a million or two to refurbish on average. The re-use is saving them a significant amount, but the upfront design cost was just so stupid high.

    It’s also worth noting that Starlink supposedly launches at near cost meaning little profit for each of those, but then SpaceX turns around and prices Falcon 9 close to Atlas V for government contracts (90-150m total price so probably 60m profit) and gouges people on Transporter (they’re almost certainly pulling in 150-200m on each of those)



  • Senior embedded C developer here in the US. I can speak first hand experience at people applying to be on my team that have reasonable sounding experience and then collapse under interview questions.

    Everything else you said applies here too, legally we don’t have repercussions for firing someone quickly (once had a team member for two months), but a healthy org will try very hard to get hiring right because it can cause pretty bad morale to see a revolving door and there is a massive brain and resource drain having to constantly be training new people.


  • In short: sometimes nothing at all, sometimes self survival

    In practice, when a state becomes a part of the United States it concedes total independence, giving itself to the jurisdiction and control of the federal government. In exchange, a state is given representation in the federal government to influence what laws make up that control and because after a few different rounds of early government structures post colonial independence, the federal government was kneecapped in terms of the types of laws it can pass. If a law passes Congress and survives a legal review by the federal courts, strictly speaking a state has no choice but to agree and cooperate. At best a state could work with other states to repeal laws a single state doesn’t want/like.

    The vast majority of the time states operate in relative good faith and follow federal law. When a state does openly defy the federal government, it depends on the exact law being ignored. Marijuana is illegal on the federal level where mere possession of it lands you in jail, but many states turn a blind eye to citizens using it and states like Colorado make bank off of taxing the sale of it. This kind of stuff happens a lot and the executive branch makes a judgement call on if it’s politically worth punishing a state in defiance.

    This current administration has proven repeatedly to be very vindictive and retaliates against even the perception of defying their rule. The last time a state continued defiance against the federal executive branch this nation threw itself into civil war and lost 2% of its population in the process.




  • It’s not about individual contributors using the right tools to get the job done. It’s about needing fewer individual contributors in the first place.

    If AI actually accomplishes what it’s being sold as, a company can maintain or even increase its productivity with a fraction of its current spending on labor. Labor is one of the largest chunks of spending a company has so, if not the largest, so reducing that greatly reduces spending which means for same or higher company income, the net profit goes up and as always, the line must go up.

    tl;dr Modern Capitalism is why they care



  • Someone who works in said US defense industry here

    Neither defense nor war really apply to what we do, but between the two defense is the more apt description. The DoD largely uses a strategy of deterrence, where the technology we develop and training done for the “war fighter” is just public and visible enough that no other major country wants to take the risk of going into full open conflict with the US. Since most efforts go into deterrence, and deterrence is a defense strategy, it does become the more appropriate word.

    Sure the US loves its proxy wars, but those don’t throw the entire nation into wartime. Plus, in a round about way proxy wars help with the deterrence since we get an outlet for the decades old stock piles of arms that we no longer want and want to replace with the new stuff. If our waste products are being useful in places like Ukraine, it helps build up an idea of what it is we keep for ourselves, again building up a deterrence of openly and directly attacking the US