• 1 Post
  • 157 Comments
Joined 2 years ago
cake
Cake day: August 26th, 2024

help-circle

  • What’s pictured here is the Finite Element Method. Basically, the bridge is composed into little chunks, on which the physics solution is approximated by e.g. linear functions. Then one has to assemble and solve a system of equations (the matrix shown here) to determine the coefficients (i.e. slope) of those linear functions. Putting everything together gives a piecewise-linear approximation of the physics solution, and the smaller you make the chunks the better your solution gets. All of this is of course not done by hand, that’s what computers are for.











  • No, it’s not. We all know that we cannot afford to put any more CO2 into the atmosphere. So reasonably, any new CO2 that is emitted would have to be (permanently) removed via carbon capture. That would be the true cost of emitting CO2, but instead, these effects are externalized to global society as a whole, making gas at the pump artificially cheap by cheating everyone else.


  • ftbd@feddit.orgtoLemmy Shitpost@lemmy.world•Meanwhile in California
    link
    fedilink
    arrow-up
    127
    arrow-down
    6
    ·
    edit-2
    6 months ago

    Awww, did someone get addicted to unsustainable energy sources that are artificially cheap due to externalized costs?

    Edit: For context, the highest price shown in this picture is still 32% cheaper than gas was in Germany BEFORE your genius president decided to start a war, and around 42% cheaper than it is now. And seeing as we’re still burning fossils like there’s no tomorrow, it is apparently not nearly expensive enough yet.






  • I have my AP connected with a trunk link and configured to offer different SSIDs for different VLANs. I connect IOT devices to the IOT WiFi, and home assistant can see them since the machine running it is connected to that VLAN as well. Apart from the initial setup, this feels like less of a hassle, as firewall rules are already set up for this VLAN (no connection to internet or other VLANs). If I had to manually make sure that every new IOT device I add is incapable of talking to the internet, I think I’d go mad.