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Cake day: June 22nd, 2023

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  • Lets start by assuming the balloon stays the same size as it rises in the air column and we’ll ignore the temperature drop. The pressure and density of the gas inside the balloon remains the same, but at some point the air density outside the baloon will drop to match the density of helium inside the baloon. At that point the balloon would stop rising as the weight of the atmosphere it displaces is the same as weight of the helium filled balloon. It’s like a little boat on a sea of air.

    However, balloons don’t stay the same size. As they float up the atmospheric pressure drops. The balloon will expand because the pressure inside the balloon is higher that the pressure outside. It still has a bouyant force on it because the weight of atmosphere it displaces is still larger than it’s own weight, so it continues to go up. Outside pressure continues to drop. Balloon continues to grow. Eventually the balloon bursts.




  • wewbull@feddit.uktoLinux@lemmy.mlWhy?
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    10 days ago

    I’d just built my first PC and had no love for Win 3.1 which was rapidly becoming the default. I wanted to keep codíng having come from from Atari STs and had no desire to learn the windows APIs. An OS that came with C compilers by default was higher level than I was used to as I’d been doing 68000 assembler on the ST, but it was still low level enough.

    IIt was also similar enough to the Sun IPCs and IPXs that I was using at university.




  • The solution will always be communication. You have to tell them that they are pushing you away; how they are hurting you; how you can’t live with the hate.

    Keep away from the talking points. Talk about your feelings with them. Talk about your fear that if they continue you will lose them. If they still care about you, the thought that they are causing you pain should be horrific to them. Tell them that you fear losing them to hate.

    …but keep away from the facts. Don’t try to prove them wrong. If they bring stuff up… “I don’t care if that’s true or not. It makes you angry, and full of hate, and I can’t live with that level of hate in my life”.

    Share emotions. Don’t worry who’s right or wrong. It’ll be hard, but that’s the only way to start. Their rational brain is corrupted. It doesn’t work and appealing to it won’t work.



  • Datacentres powered by coal are bad. Cruise ships are worse.

    Coal Vs Marine fuel. You’ve picked the kings of pollution.

    Coal is worse for CO2. The free carbon it releases binds with oxygen in the atmosphere to produce more CO2 mass than the coal itself. It’s crazy how much CO2 it generates.

    Heavy fuel oil / bunker oil / marine fuel is cheap ass shit that contains masses of pollutants. So whilst it won’t generate as much CO2, it will create a load of other stuff including Sulphur Dioxide. That creates acid rain.

    Here’s an idea. Let’s do neither of them.






  • I’m a little confused by some of the discussion. Surely the problems they’re talking about with variations in the test system also apply to windows. You result can be affected by:

    • Which windows updates have been applied
    • Which version of the drivers have been installed
    • What other software is on the system

    Linux is the same, but they seem to be more concerned about it. Can someone explain?