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Cake day: 2026年3月28日

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  • captcha@lemmy.frozeninferno.xyztoScience Memes@mander.xyzHeat
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    3 天前

    Yeah, that is a bit confusing, i never thought about light being an example of one of those systems. Edit: looks like this applies only to laser light because light has a temperature of an emitting body, and lazing body has negative temperature

    my short interpretation would be like this

    A system with negative thermodynamic temperature is hotter than any system with a positive temperature. If a negative-temperature system and a positive-temperature system come in contact, heat will flow from the negative- to the positive-temperature system.

    This situation occurs because temperature is not really a measure of speed of particles, but rather a measure of entropy, and for ordinary objects entropy can increase infinitely, increasing temperature too. For systems with capped amount of states entropy reduces when energy is added, and that is negative thermodynamic temperature.

    So negative temperature is more energetic than positive, and because of that it heats up positive temperature object when in contact.

    Light kinda does that, but I am not sure I can come up with an explanation of how to measure its temperature and if it fits the definition








  • No, this could work in a way that all companies just submit names to the same list, and if someone says NDA they check the list.

    Problem with this is that small companies or companies from other countries won’t give a shit or won’t be allowed to even submit anything. Of course, you could say small companies don’t use NDA, but that is not true and defeats the purpose really


  • Some jobs require things that are hard to do on the spot, like product manager who should be in the loop and take care of where development moves, or project manager who should make said development actually happen.

    The skills can be sort of checked by presenting a problem and asking how they would solve it, but the more abstract the skill required is, the more can the difference between reality and interview be, in my opinion