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5 yr. ago

  • Sometimes water isn't needed. When the heat isn't enough to boil lots of water, or when the plumbing would be too complicated for the application, it's possible to directly generate electricity directly from the heat. It's not as efficient, but it's useful in some cases. For example: low power, long lifespan spacecraft like New Horizons.

  • My first calculus class was in 2018 or 2019 and before they taught us any of the derivative rules they showed us the first principles derivation, so the fact that they just skipped right to the shortcuts for you is wack. For us it was more of "this is how you find the equation for the slope of a line at any point. But guess what, here's some rules so you don't have to do this squeeze formula every time!"

  • That would be to calque!

    A calque is when a term is translated word by word into a new language. And a loan word is when a word or words are directly taken as-is. In fact, this means that loanword (from German lehnwort) is a calque, while calque (from French) is a loanword :D

  • Unlike translate, transliterate means to convert from one writing system to another. The user is asking you how you write that in latin letters, probably so they can have some idea at all about how to pronounce it.

  • My parents are constantly pushing me to own a car.

    I have a license because it is a convenient all-in-one piece of ID. I abstain from car ownership because cars fucking suck. They're expensive to buy, expensive to insure, expensive to maintain, expensive to run, expensive to drive, and you can't even use your phone* while going places. Car ownership is just overall a bad deal. I'm much happier taking public transit, even if it sucks ass and is twice as slow to get anywhere.

    *If you unironically counter this point you should be prevented from ever getting behind a wheel for the rest of your life. Fuck you for putting my and other people's lives in danger for your own convenience.

  • Alien status: OWNED

    Jump
  • It's not too expensive, it's just more expensive than getting hydrogen from fossil fuels, so the only reason you'd electrolyze hydrogen from water right now is if you're trying to be green.

  • Alien status: OWNED

    Jump
  • Hydro-LOx (read: water) is one of the most efficient conventional fuels, and it's in use in NASA's Space Launch System powering the Artemis program.

    Even if you assume somehow all the fresh water has disappeared, there's still solar-powered electrolysis to create hydrolox from sea water.