this post was submitted on 19 Sep 2026
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49
Startup Claims Ocean Uranium Could Power Earth for 50,000 Years (www.gadgetreview.com)
submitted 2 days ago by FlashMobOfOne@lemmy.world to c/technology@lemmy.world
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Four billion metric tons of uranium sit dissolved in the world’s oceans right now, roughly 1,000 times the total identified in hard-rock mines worldwide. A US startup called Fluxnium just emerged from stealth with a plan to get at it, backed by $7 million in seed funding and chemistry licensed from the US Department of Energy.

The catch: extracting that uranium currently costs more than twice the market rate, and no one has proven it works at commercial scale.

The timing matters. Yellowcake prices have risen approximately 75% over the past five years, according to US Energy Information Administration data. US policy discussions target tripling nuclear capacity by 2050, yet the country imports the overwhelming majority of its uranium from a short list of geopolitically exposed nations.

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[–] MangoCats@feddit.it 4 points 1 day ago (1 children)

Now pipes freeze at 32, so that is a pretty outrageous amount of manadatory wiggle room --23 degrees. I honestly don’t know enough about plumbing or insulation to suggest a fix

If the inside of your apartment is at 55, and the outside is at 9, and the insulation between the pipes and the inside/outside is equal, that puts your pipes at 32. In theory the pipes should be "closer" to the inside temperature, but plumbers don't always put pipes in with an aim to avoid future plumbing work....

[–] schipelblorp@sh.itjust.works 0 points 1 day ago (1 children)

The pipes are never outside, though, they come out underground in the basement. There really is no communication with the outdoor temperature, it's just the ambient temp in the basement and my first floor condo?

One think I"m wondering about is conductivity. So if I put a thermostat on a feed pipe under the kitchen sink, what can I surmise about the temperature of the pipe in the basement?

[–] MangoCats@feddit.it 2 points 1 day ago

If you don't run any water overnight then turn on the cold tap (preferably first thing in the morning) and take temperature readings as it runs, you can (likely) spot if you've got any cold spots / weak insulation against outside cold, assuming it's a lot colder outside than inside that night.