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Joined 11 months ago
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Cake day: January 18th, 2025

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  • Not a better plan but just a curiosity as a physicist enthusiast.

    Regarding nuclear fission and nuclear waste (and ignoring the big elephant in the room that are nuclear weapons)…

    What are the technical difficulties to turn the radiation emitted by nuclear waste into electricity?

    I mean, if the nuclear waste is still radiating, it has stored energy that is radiated as photons, right?

    Then, we have the photo-electric effect which turns photons into moving electrons as long as the frequency surpasses a minimum threshold.

    Given that the radiation of nuclear waste has frequency way higher than UV, why can’t it be used to feed a photoelectric generator?

    Also, we have tons of nuclear waste, so the argument that a single rod doesn’t generate enough radiation seems kinda bogus since we could just store the nuclear waste into a safer recipient that turns the harmful rays directly into electricity and we have a shit-ton of them stored in thick lead or concrete barrels just so this radiation don’t harm the surroundings.

    .

    It is a genuine question that I had, but never had enough physics class to understand where this logic falls apart.

    Because, if it were feasible and “cheap”, I bet that the US would already be doing it and having access to “free energy” (not really, but a long-standing generator that doubles as removing nuclear waste from the ambient).




  • Hear my idea:

    First we pollute the air enough to be almost unbreathable (as a side gig, we get to burn oil, coal steel…)

    Then we make special facilities to filter said pollution from air before said air enters the house.

    Then we sell these house for a premium with grade AAA+++ the best air quality ever.

    Now, what to do with the defective filters?

    Put in a house with grade B+ air quality.

    Grade C will be the houses that get the air that was exhausted from AAA+++ and B+ (after being breathed a few times and with no filtering).

    Grade F is the good old coal air that the people who can’t pay will have to breath as they work in the coal burning facilities.


  • Also worth noting that it is “everyone’s problem” as soon as US turns his military against other countries.

    For now it is Venezuela and maybe Nigeria,

    But here at South America we are “bracing for impact” even though we aren’t Venezuela per se.

    Trump already told he wants to annex Canada, Panama, Greenland and Vance already vented his distaste against Europe.

    It is just a matter of time before US turns against Europe.

    And then it will suddenly be a “World’s problem” because it only is a problem when the western civilization gets the wrong end of the stick.





  • or even better, set a pomodoro.

    Maybe even on easy mode (5 or 10 min) to bootstart studying, let it ring once, nod at the pomodoro and keep in the flow.

    Or… if you felt a strong urge to not study in these 5 or 10 min, nod at the pomodoro and says “Thanks Cthullu I’m free from this time prison!” and move on.

    I personally hate doing pauses with pomodoro, so I just use it to make sure I did at least one pomodoro unit of time of whatever the fuck I planned to do (But I do pause once I start hitting a wall or getting tired)





  • Why do you think it’s the US specifically and none of all the other capitalist countries

    then you go about

    It just seems so US centric that it’s always the US this the US that, there’s like the whole rest of the world too but the discussion always is “socialist country do something bad” “well what about the US???”. Like goddamn

    Can you first decide if you are talking about capitalist countries (as stated first) or socialist countries? Or are you going to be moving goalposts?

    I wrote a direct and on the point answer on why do some people think it is US specifically.

    As pointed out, US backed coups and regime changes (unless you want to argue that these facts are untrue).

     

    Now, if you want to go about other capitalist countries, then France and UK have their hands on some regime changes as well over the years.

    Although this wkipedia entry doesn’t look as bad as the US’ one, only a fool would think that France has good intention about their interference in the middle east:

    https://en.wikipedia.org/wiki/Foreign_relations_of_France#Middle_East

    Even my country, Brazil, has some dirt on it by being an economical powerhouse among Latin America.

    We did try to make comercial relations that mixed both the style of EU (Mercosul) with our neighbors and also similar to China-african countries relation as we did with Cuba by bringing Cuban physicians to work here while we helped them economically (but I’m sure there was some strings attached. we aren’t saints and nor do we pretend to be the savior of free democratic world).

    But we do know that, if left unchecked, we could derail again into being imperialist or into being a dictatorship (again, we just jailed Jair Bolsonar for trying a coup d’etat to make another military dictatorship in the shape of the 1964 that happened).

    Speaking of Bolsonaro, one of the first things he did was to cut out the deal Brazil had with Cuba because our Brazilian physicians don’t want to work in the countryside (they claim the pay is low or that municipalities may freeze payment over months) but at the same time, they didn’t wanted anybody else in that market-share (in this case, Cuban doctors).

    So it is all shitty situations around and no one is a saint.

    I hope it does satisfy your desire for a “nobody is a saint”, but, keep in mind that in terms of actual harm, US and Russia are the greatest danger right now.

    US and Russia together have around 90% of nuclear warheads of the world.

    If they even (hypothetically) join political forces and “work as one country”, then they could bomb whatever the fuck of whatever country with almost no pushback.

    Though I still think that America is more trigger happy (pun intended) than Russia.



  • nekbardrun@lemmy.worldtoScience Memes@mander.xyzIT'S A TRAP
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    2 months ago

    Either that or the humans are so “infinitely packed” that they’re probably already dead squashed into each other.

    Now, if you put infinite people in a chamber, and then compress the chamber and then put an infinite amount of compressed chambers inside a chamber… Will we have Real People?