by Greg Moore
west point wrote: ↑Tue Oct 04, 2022 11:58 pm have to wonder the availability of Hydrogen. NWS has been made to cancel some weather ballon launches. They use Hydrogen. helium even shorter. No birthday ballons for almost 3 weeks here.Helium is a limited resource (there's relatively little on the Earth's surface since it's basically non-reactive so won't bind to other elements and is extremely light so tends to escape the atmosphere easily.)
Hydrogen, we're literally swimming in it it's so plentiful.
As noted above though it's really more of an energy storage solution than a raw power source since it does take energy to crack it out of water. Fortunately, that can be done in a variety of ways and still be fairly green.
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