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Cake day: July 22nd, 2023

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  • Life can’t exist in a high entropy environment. Of course you can declare the entire solar system a closed system but because of the sun our solar system will be in an extremely low entropy state on average for a couple of billion years. Once the sun “dies” and the temperature averages out in our solar system there will be no life.

    And yes it’s (almost) always an energy argument that’s why the water argument is not a good one. But not everything is an energy argument. Take He and H2 for example if you let that into the air it will eventually escape our atmosphere because of solar winds and is truly wasted/lost - but that’s not true for water. You can’t really waste water in a sense that we will have less water im the future (unless you split it into hydrogen and oxygen and let the hydrogen escape).


  • Entropy always increases in closed systems. Because of the Sun, the Earth is not a closed system. If Earth were a pure entropy game, there would be no life. Also the atmosphere can’t hold infinite amount of water - that’s why it rains sometimes. So “using” fresh water is only a problem in regions where it doesn’t rain much and/or where the water has to be prepared/cleaned im the first place (which would probably make it too expensive to cool data centers in the first place) - if the water was from a natural fresh water source than just heating it is actually not a water issue - but it will contribute to global warming, but then again the argument shouldn’t be about water but about that data centers contribute to global warming.

    So the amount of water is pretty much constant. And because of the huge amount of energy the Earth gets from the sun, there is plenty of opportunities for clean energy that can (and is be used) to reverse entropy. All living things reverse entropy all the time. So the issue is not using the water but the unclean energy sources that lead to global warming.







  • wischi@programming.devtoScience Memes@mander.xyzholee shiet
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    3 months ago

    Aerosols aren’t gases in the classial sense and reflect sunlight. This works especially well high up in the atmosphere.

    https://science.nasa.gov/science-research/earth-science/climate-science/aerosols-small-particles-with-big-climate-effects/

    There are studies that collect data around volcano eruptions and coal power plants getting online and offline. Long story short: Climate is complicated; I’m not a climate scientist and not to be trusted; it would work great at cooling the planet; we definitely shouldn’t do it (yet?) because it masks the temperature problem and could lead to us not reducing CO2 because we “wouldn’t have to”, but it could be a tool if we might be on the edge of a catastrophic runaway effect that causes too much water to evaporate into the atmosphere.

    Update: Btw, you are right about dark particles low in the atmosphere, those typically warm the planet. It’s mainly sulfur dioxide aerosols byproduct that cool the planet (also mentioned in the NASA article)