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Cake day: July 1st, 2023

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  • mosiacmango@lemm.eetoSolarpunk@slrpnk.netSheet mulching
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    6 months ago

    It only prevents it when it’s there.

    Thr cardboard/newspaper prevents germination of new weeds, and blocks off light from old weeds, generally killing them.

    I used this to reclaim a wild patch into a garden bed with cardboard and pine needles as mulch. Took a few months, but it even killed some blackbeery brambles. They came the fuck back of course, but it was enough to get the patch going right.

    Dont use colorful or waxed cardboard, and remove all tape. Its annoying, but better than picking it out of the garden later.


  • That’s a solid critique. We can math it out more.

    So each 1.2GW reactor works out to be 17bil. Time to build still looks like 14 years, as both were started on the same time frame, and only one is fully online now, but we will give it a pass. You could argue it took 18 years, as that’s when the first proposals for the plants were formally submitted, but I only took into account financing/build time, so let’s sick with 14.

    For 17bil in nuclear, you get 1.2GW production and 1.2GW “storage” for 24hrs.

    So for 17bil in solar/battery, you get 4.8GW production, and 2.85gw storage for 4hrs. Having that huge storage in batteries is more flexible than nuclear, so you can provide that 2.85gw for 4 hr, or 1.425 for 8hrs, or 712MW for 16hrs. If we are kind to solar and say the sun is down for 12hrs out of every 24, that means the storage lines up with nuclear.

    The solar also goes up much, much faster. I don’t think a 7.5x larger solar array will take 7.5x longer to build, as it’s mostly parallel action. I would expect maybe 6 years instead of 2.

    So, worst case, instead of nuclear, for the same cost you can build solar+ battery farms that produces 4x the power, have the same steady baseline power as nuclear, that will take 1/2 as long to build.







  • The drilling is limited to the making the channels for water flow. They are using maneuverable fracking drills and tools to get to the depths they need. They then inject water for use in the heating loop. This water should be used continuously, although it a unclear if it will need to be topped up.

    Some of these geothermal startups are creating “natural” cracks via drilling to circulate water, while others are using the drilling to place fixed piping. The latter is hard, more expensive and likely more efficient. The company in the article is doing the former if Im not mistaken.








  • Its free, open source software folks. Its fine to not be happy about a projects direction, but these comments are really treading the “I payed them $0 and I demand my moneys worth!” line.

    He spent 4 months working on another free, open source project bexause he wanted to. That’s perfectly fair on his part. Working for $0 on things you want to work on is a sane and basic right we all have. The work may even help lemmy in an as yet unknown way.

    You are as equally free as the lemmy dev to work on moderation tools. The fact that you have put in the same amount of work as the dev should tamp down the criticism a ways.

    Now if you donate to the lemmy devs directly, fire away. If you want to contribute directly, Rust is an excellent programming language that fits very well with the solarpunk ethos. It’s incredibly efficient, so code uses less power than alternates, it’s memory safe, so it by default eliminates 75% of the most common computer bugs, leading to safety, stability and reliability of the products it runs on, and its community is enthusiastic, which should ensure its longevity for decades to come. Learning it might be a good avenue if you want to help lemmy.