you can’t turn a gas into liquid by compression alone if temperature is above critical point, you also need to cool it down. separation is done by fractional distillation, but the reason it’s done is mostly about oxygen (medical and steelmaking among some other uses). for nitrogen it’s somewhere about -150C. first air is stripped of water and carbon dioxide, then it’s turned into a liquid, then it’s separated into oxygen, nitrogen and argon, and some large specialized plants also separate xenon, krypton and neon

if you don’t actually care for it being a liquid, there’s another method called pressure swing adsorption that separates gases based on how tightly do they bind to porous surfaces under pressure. this is how medical oxygen concentrators work

making liquid nitrogen is pretty efficient these days, as in not much more energy is used than is actually needed

shooting down bosses stupid ideas is #1 productivity tip for professionals (like most people on lemmy are)

if everything else fails add matrix account to your profile (to have another communication option) and reach out to admin of your instance

that’s at least four days before kidnapping of maduro

op what else did you knew

dune (1965) was written 26 years before desert storm (1991) and before iran-iraq war (1980) or iranian revolution (1979) or six day war (1967) or black september (1970) or yom kippur war (1973) but just after baathists took power in both syria and iraq (1963) and some time after coup in iran (1953), suez crisis (1956) and nasser taking power in egypt (1952)

some context for the bottom row https://www.aljazeera.com/news/2025/12/16/exiled-russian-accused-of-spying-on-opposition-including-navalny-movement https://novayagazeta.eu/articles/2025/11/04/russian-pro-democracy-activist-detained-in-poland-admits-to-working-for-fsb-en-news

tldr openrussia didn’t learn that there’s no such thing as former fsb agent, and now there are consequences

as i understand, this is what bellingcat uses as a major source of data when reporting on russian activities

“It is one of the paradoxes of modern Russia: on the one hand, these services are illegal and rely on leaked data, yet on the other, they are far more convenient for day-to-day police work than the multitude of official departmental databases,”

gaben on piracy: “We think there is a fundamental misconception about piracy. Piracy is almost always a service problem and not a pricing problem,”

There is a thermal energy storage included as s major part. This works because compressing CO2 to 55atm adiabatically heats it up to some 450-ish C, so that heat is pretty high grade, and only the final stage cools it down with heat exchanger open to air. In discharging direction, some heat is taken from outside air to evaporate part of CO2 and heat stored is used up

compressors, turbines (like steam turbines), piping, some of which heat-resistant (500C), container for liquid carbon dioxide, lots of plastic for the bubble, something for thermal storage, dry and clean carbon dioxide, these aren’t unusual or restricted resources, don’t depend on critical raw materials or anything like that

Compressed air without heat recovery is more like 30%, so this is huge

Carbon dioxide can be liquefied relatively easily which is what i guess makes this efficient

wood, magnesium, aluminum, plastics, they say titanium is bad, but i’d expect iron, nickel, manganese, tungsten, silver, maybe zinc to be worse

no no no no it’s on by default so it’s opt-out, and switch for that isn’t even implemented yet

in this economy?

🌏👨‍🚀🔫👨‍🚀 (currently since 2023)

if you have to tell people that you’re enlightened, you ain’t

also why have you picked vaccines in particular. maybe you wanted to express something else more clearly? there’s no money in vaccines to such degree that western pharma companies don’t want to research them, and bulk of (non-mRNA) vaccines are made in Serum Institute of India, they make this stuff for half of the world if not more. this thing is cheeaap, and because it’s a preventive one and done you can take it on your own terms, you’re not under time pressure to get it so you can shop around to get it cheaply. you can’t nickel and dime people on vaccines

now if you do want to nickel and dime a patient, you’d need something that they’re gonna need forever and jack up prices or just keep them high from day one, like with antiretrovirals or what purdue pharma did or like with daraprim. and then there’s entirely another very american problem of insurance leech layer. taking a very charitable look at it maybe you want to say a thing about availability of american healthcare in general, less charitably, and more likely, you sound like a libertarian antivaxxer

it gives enlightened centrist vibe, maybe that’s why

yeah piracy community is three blocks down, fuck off

can you pull ethernet cable along power cables, wherever they are?

regular ethernet should work on this kind of distance, but it means digging

Mate do i have just the right thing for you, but it requires some soldering. It’s also probably cheapest solution working over longer range than you need

First you need two directional antennas. Use this https://lea.hamradio.si/~s53mv/wumca/cup.html the 13cm design specifically. Design of the dipole element is on another page https://lea.hamradio.si/~s53mv/wumca/sbfa.html They’re using hard to get semirigid coax but you can really just use common RG178 with braid tinned to make it stiff. This way you don’t have to leave D section they way they did, you can just solder core to the shield at the end while preserving total length (or ~1-2 mm less, because wifi is slightly higher frequency; 53-52 mm total). That dummy cable thing can be just any stiff piece of wire. Good way to get this would be getting a pack of u.fl-SMA pigtails, which you can also use for connection.

You also don’t need special aluminum housing like they do, cookie tin of the right size would be sufficient, or any other container of similar nature. If you can’t weatherproof it, putting it inside on windowsill is also fine

Then, plug TL-WN722N into it, or some other single-antenna thing, and you’re set. This one connects over USB and has removable RPSMA antenna, so you can connect it easily with correct cable (SMA plug - RPSMA plug)

to your new directional antenna. This thing works well over 200m distance, provided clear line of sight, and probably more than that