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Thread: Just a tad on the cold side...

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    Forgetful much~? FunkY's Avatar
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    Default Just a tad on the cold side...

    I think the stated storage and operating temperatures might be off by a tiny little bit

    https://www.aria.co.uk/Products/Comp...roductId=66880

    Storage Temp.: -4080 Celsius
    Operating Temp.: -2560 Celsius
    I could be wrong, but I'm fairly certain those sort of temperatures don't exist anywhere... Absolute zero being a mere percentage of those numbers and all...
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    That's nothing compared to claimed monitor dynamic contrast ratio figures.


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    🍄 🍄 🍄 🍄 🍄 🍄 🍄 🍄 cold fusion's Avatar
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    Quote Originally Posted by FunkY View Post
    I could be wrong, but I'm fairly certain those sort of temperatures don't exist anywhere... Absolute zero being a mere percentage of those numbers and all...
    There are theoretical negative temperatures. I say "theoretical" but such temperatures have been created in labs. However the theory behind negative kelvin is somewhat paradoxical. eg even just the wikipedia article makes my brain hurt: https://en.wikipedia.org/wiki/Negative_temperature

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    MICHELIN -gate Aaron's Avatar
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    I've read this sentence a few times now, and I still don't really get it....

    A system with a truly negative temperature on the Kelvin scale is hotter than any system with a positive temperature.



    Quote Originally Posted by coiler
    Stomach was rumbling like a fatman landing on Sanctuary


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    Quote Originally Posted by Aaron View Post
    I've read this sentence a few times now, and I still don't really get it....

    A system with a truly negative temperature on the Kelvin scale is hotter than any system with a positive temperature.
    You need the next bit, i.e. "If a negative-temperature system and a positive-temperature system come in contact, heat will flow from the negative- to the positive-temperature system"

    However, essentially it's pointless in the practical world as you can't slow down particles further than them being stationary, which is why you get the weird above concept to make sense of an impossible situation.
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    Forgetful much~? FunkY's Avatar
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    Quote Originally Posted by cold fusion View Post
    There are theoretical negative temperatures. I say "theoretical" but such temperatures have been created in labs. However the theory behind negative kelvin is somewhat paradoxical. eg even just the wikipedia article makes my brain hurt: https://en.wikipedia.org/wiki/Negative_temperature
    Theoretical only. They've never been created in labs. We haven't even hit absoute zero properly yet, though we can get very close now:

    Researchers from NASA and MIT have cooled sodium gas to the lowest temperature ever recorded one-half billionth degree above absolute zero.
    Scientists at an Italian institute have set a world record of the lowest temperature ever achieved in the universe. They cooled a copper vessel with a volume of one cubic meter to -273.144 degrees celsius. This is stunningly close to 'absolute zero', which is equal to -273.15 degrees celsius.
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    Quote Originally Posted by FunkY View Post
    Theoretical only. They've never been created in labs.
    Sorry to disagree, but it has been created in labs: http://www.nature.com/news/quantum-g...e-zero-1.12146
    Quote Originally Posted by FunkY View Post
    We haven't even hit absoute zero properly yet, though we can get very close now:
    Indeed, but absolute zero and negative kelvin are different atomic states. Which is why one has been achieved where as the other has not.

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    Huh... That'll be my something new for the day
    Why did the chicken cross the road?
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    It's all a bit weird. I'm not even sure if there's general scientific consensus that state should classed as negative temperature. But I don't understand it so can't really comment. It does make for a good headline though

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    Megathread! great find!
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    Quote Originally Posted by cold fusion View Post
    Sorry to disagree, but it has been created in labs: http://www.nature.com/news/quantum-g...e-zero-1.12146
    Does it say whether they did it using LED strips from Aria?


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    Oooh this feels like one of those threads where I could have a good old fashioned argument with CF

    ..... if I understood what it was going on about.

    ah and the ol' double post bug returns!
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    Quote Originally Posted by RandomPC View Post
    Does it say whether they did it using LED strips from Aria?
    Indeed it does:


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    Quote Originally Posted by NickCPC View Post
    You need the next bit, i.e. "If a negative-temperature system and a positive-temperature system come in contact, heat will flow from the negative- to the positive-temperature system"

    However, essentially it's pointless in the practical world as you can't slow down particles further than them being stationary, which is why you get the weird above concept to make sense of an impossible situation.
    Thats exactly what I meant. Reading in the context of what is physically possible..



    Quote Originally Posted by coiler
    Stomach was rumbling like a fatman landing on Sanctuary


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    Someone call this guy.....

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