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  1. J

    SpaceX pushed “sniper” theory with the feds far more than is publicly known

    thanks! do you know if it's cooled via heat exchange with the LOX line on its way into the rocket-side tank? or, is it just cooled by LOX boiloff directed around the He delivery line?
  2. J

    Signal clone used by Trump official stops operations after report it was hacked

    we're already seeing leaked messages between the cabinet and GQP congresscritters. and yes, this fork of Signal purported to be able to comply with us govmt. record retention requirements. it is a gigantic shitshow.
  3. J

    SpaceX pushed “sniper” theory with the feds far more than is publicly known

    so... i think there's some additional things going on here. the tank is in contact with LOX (90-55 K), and it's unclear what temp the He is coming in at, but the pressure inside the tank is always going to be less than the pressure inside the fill line (otherwise there's no fill), and if the He...
  4. J

    Judge on Meta’s AI training: “I just don’t understand how that can be fair use”

    pretty sure the judge isn't focusing on the torrenting at the moment because that act doesn't fit within the plaintiff's complaint. it's likely either a criminal charge, or a separate cause of action, and i doubt that the plaintiffs want to restart with an amended complaint. the torrenting...
  5. J

    Eric Schmidt apparently bought Relativity Space to put data centers in orbit

    wait until you realize how large the ISS's heat radiators are... no. not in any proximity to the earth. and, if you're further away, your shielding needs go way up... which makes the whole project ridiculous.
  6. J

    The harrowing story of what flying Starliner was like when its thrusters failed

    is there an expanded description of what the surge was, or how it was caused by the dual-engine Centaur?
  7. J

    An icy vent line may have caused Blue Origin to scrub debut launch of New Glenn

    i'm surprised no one has mentioned launching from Panama. ;)
  8. J

    An icy vent line may have caused Blue Origin to scrub debut launch of New Glenn

    ice inside the line is a bit problematic. that usually means they didn't have the right gas available to purge the line before cold gas was expelled, or they had a leak to atmosphere that was dragging air back into the line - pressure oscillations can happen where you get negative pressures in...
  9. J

    YouTuber won DMCA fight with fake Nintendo lawyer by detecting spoofed email

    you guys have to push back when someone (the article writer, or whoever they're quoting) mixes measures like this. it's disingenuous, and it's something an editor should flag.
  10. J

    The New York Times shows how AI can aid reporters without replacing them

    not sure if you've checked out the auto-generated captions for youtube, twitter, and facebook videos, but they absolutely are not properly characterized as:
  11. J

    AT&T praises itself after getting caught taking too much money from FCC program

    i wish this article and/or the linked consent decree discussed the bandwidths this is all relevant to.
  12. J

    Scout Motors’ new pickup and SUV EVs will start at “under $60,000”

    can't tell how efficient it is without some indication of battery capacity (which i missed if it's in the article). looks nice, range is fine for the price.
  13. J

    $212 million contract will finally get San Francisco trains off floppy disks

    oh, jeeze. the olds are out and about.
  14. J

    $212 million contract will finally get San Francisco trains off floppy disks

    we were using stuff like these (14"?) at the USGS in the 80s https://www.ebay.com/itm/265837774402 i mean, they were kinda portable. those and the tape drives.
  15. J

    $212 million contract will finally get San Francisco trains off floppy disks

    the crazy thing? there is free software available to image all type of disks (including 8", 5 1/4", 3 1/2", and CD, just need to read the disk) and mount the images as floppy or whichever drives in whatever drive letter you choose (that isn't already in use). and, you can use that software in...
  16. J

    With Starliner stuck in space, has NASA’s safety culture changed since Columbia?

    is it fair to ask the stranded astronauts what they prefer? do they feel too much pressure from the interests wanting starliner to return home with humans aboard? i wouldn't want to put pressure on them, but at the same time, i want to trust them more than those with less actual skin in the...
  17. J

    NASA is about to make its most important safety decision in nearly a generation

    good, fairly complete article. thanks!
  18. J

    ULA to amateur launch photographers: Work for me but not for thee

    it doesn't forbid non-editorial sales. it indicates that future access to the remote site may be evaluated based on the availability of non-editorial sales. so, at least in the case you mentioned, a staff photographer who retains their copyrights after a license to their employer expires could...
  19. J

    Low-income homes drop Internet service after Congress kills discount program

    they keep raising prices well above the inflation rate and well above their maintenance/upgrade costs. it's just ridiculous.
  20. J

    The 2024 Chevrolet Silverado EV’s great range comes at a high cost

    your 2.23miles/kWh seems wrong, or maybe just super surprising. my much much smaller i3 gets roughly 3.2miles/kWh, for 15kWhrs/day over my commute, and i calculated the Hummer EV would take ~65kWh/per day to commute (0.77miles/kWh). how can just the tires get 1.5miles/kWh better mileage? the...