I Can't Believe This Worked!!! - Concrete Cooled PC (April Fools 2019)

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  • Published on Apr 1, 2019
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    Lots of whacky computer water cooling projects have been attempted before, but none as crazy as concrete - and it turns out it works amazingly.
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Comments • 7 473

  • Linus Tech Tips
    Linus Tech Tips  8 months ago +781

    Add Honey for FREE and start saving today at joinhoney.com/ltt
    Thanks, Honey for sponsoring!

    • Sven Heinze
      Sven Heinze 9 hours ago

      Linus Tech Tips please try cooling with gallium!

    • RCP-1136
      RCP-1136 Day ago

      next time you should use actual honey as a coolant....

    • noob gamming
      noob gamming Month ago

      Not a cement use sand....

    • Sgt. Wolfenstein081
      Sgt. Wolfenstein081 Month ago

      What if you increase the water to concrete ratio?

    • DataLog
      DataLog 2 months ago

      Linus, try adding a concrete plasticiser. It will make it a few times more runny with same amount of water.
      Chemistry behind plasticizers is mind blowing.

  • Maynard Drivmester
    Maynard Drivmester 2 days ago

    no cranberry sprite cooled pc... so sad...

  • MindTroll The Great
    MindTroll The Great 4 days ago

    If you was septical about something that obviously fake buddy i have bad news for you .

  • Tidalwave08
    Tidalwave08 5 days ago

    You guys are horrible people

  • Dāvis Eglis
    Dāvis Eglis 6 days ago

    Ur pump is gona be eaten alive

  • Coldfusionstorm Gaming

    Theres so much wrong with this Firstly
    i'm sitting naked watching a youtube video
    secondly... Do you need more weird reasons?

  • Nigel YING
    Nigel YING 12 days ago

    donate me a rtx 2080

  • Stray _
    Stray _ 12 days ago

    We cant use sand that's stupid puts concrete instead "I see you have superior intelligence"

  • Mr Arby
    Mr Arby 13 days ago

    Do a honey cooled pc for the sponsor

  • phantomfreq
    phantomfreq 13 days ago

    Is there a way to add like mineral oil to the concrete or something would work against solidification that can work stable. And I would think this can work but only something that will stress the pc like server based.And I think concrete is something like a double-edged sword here especially for using it for high heat exchanges...like the spikes. It might help dry it out quicker and solidify. Could a crusher type of filter in a special modified chamber be made which could even be 2food processor blades continuously turning making smaller particles be possible. Also concrete is made to turn solid. Win for concrete on both sides really.

  • Karl Slicher
    Karl Slicher 13 days ago

    Brake caliper coolant.

  • Almost Human
    Almost Human 16 days ago

    Try again with a loop filled with thermal paste

  • Dylan Punter
    Dylan Punter 16 days ago +1

    If I saw this a few months ago, I feel like I would've fallen for it
    Although now I kinda wanna see it for real
    ....... so what actually went in the system? Or was it just a dummy water cooler? Or were the sides painted grey?

  • Expired Lamb
    Expired Lamb 17 days ago +1

    Even though it says april fools in the title now, I'm still not sure if those results were legit or not

  • SaatanaKettu
    SaatanaKettu 20 days ago

    linus, you're are a rich man. so why wont you try tu fill a custom watercooling loop with liquid metal :D

  • Star Child
    Star Child 22 days ago

    Linus might have failed physics class, but it's okay you can't be good at everything

  • matt winward
    matt winward 23 days ago

    Next you should do a honey cooled PC with Honey as the sponsor.

  • Carter Lewis
    Carter Lewis 23 days ago

    ur bad at acting 8:02

  • Thomas Gonzalez leyro
    Thomas Gonzalez leyro 24 days ago

    i hate this guy, he just pulls an i7 and 16 gb of ram like its nothing, i would kill him with my bare hands for those lol

  • R S
    R S 24 days ago

    Next time try a urine, sulfuric acid, and rock salt mixture

  • WaZe
    WaZe 26 days ago

    Put liquid metal in the loop

  • Nsuku Credence
    Nsuku Credence 27 days ago +1

    "my left arm is skinnier than my right... for no reason at all" - Linus

  • t k
    t k Month ago +1

    Madrinas cooled pc

  • Dave Breeden
    Dave Breeden Month ago

    It is called a non-Newtonian fluid

  • Blue Zeta
    Blue Zeta Month ago

    ok, i know this is an april fools thing, and I am SUPER late to the party... but seriously. DO NOT DO THIS. it may work for a little while, but concrete is literally built to be something that hardens. AND Quiccrete (sry 4 spelling) is made to harden even QUICKER. I mean, come on!! If you want to destroy a few good systems for a liquid ceramic that sets anywhere from 40 minutes, to 10 minutes, and it totally not worth the practicality of it, then fine. But at least someone put the warning out there.

  • GriffOutdoorTV
    GriffOutdoorTV Month ago

    if you add sugar cement can't set up so this could be a real thing especially if you made it more watery

  • oShadowkun
    oShadowkun Month ago

    Haha wow, you can really tell they've never seen quikrete before, And why'd they use a mixer?? I used to mix concrete in a bobcat bucket with a shovel, they could've just put that amount into a cup hahaha.

  • Loner
    Loner Month ago

    Next year mercury

  • Turner Race
    Turner Race Month ago

    I just now watched this for the first time and was so convinced it was real for a sec

  • ag.floats XR
    ag.floats XR Month ago +1

    That's cement not concrete.

  • Accuracy
    Accuracy Month ago

    Thermal paste cooled pc

  • One of Billions
    One of Billions Month ago

    Any DIY er knows concert/cement hardens through chemical reaction not air exposure. Take a blob of wet concrete and drop it underwater or in a closed circuit and it will harden like a rock just as if exposed to air. It also gets very hot in the hardening process. So wtf, were you for real?

  • Beau Moloney
    Beau Moloney Month ago

    you will just never be able to turn it off haha

  • voiox
    voiox Month ago

    Initially I thought they would just fill the case with concrete and let it harden and then use it as the heaviest PC cooling block ever(!).

  • Legos Productions
    Legos Productions Month ago

    What about a thermal paste instead of concrete cooled PC?

  • Jonathan Luer
    Jonathan Luer Month ago +2

    Hey Linus, I just want to say it's really cool you actually showed the comment that inspired this build. Good PR move.

  • Hops And Lead
    Hops And Lead Month ago

    Add dye to it

  • John Doe
    John Doe Month ago

    LTT at 480p wuut bruh

  • super_ Caprice
    super_ Caprice Month ago

    I should try liquid cryotheum

  • IRMacGuyver
    IRMacGuyver Month ago

    Anyone notice this is like the ONLY time they actually bothered using a funnel?

  • Patrick Conroy
    Patrick Conroy Month ago

    Wow, for the amount of concrete you made it really would have been less effort just use a trowel or shovel, then someone wouldn't need to clean the mixer...

  • LostatSea
    LostatSea Month ago

    what about liquefied clay?????

  • LostatSea
    LostatSea Month ago

    and i post in LTT forum about doing a KY Jelly filled loop and everyone gets in my case and ridiculed me...

  • Steven Tottenhoff
    Steven Tottenhoff Month ago

    Sponsored by Honey, hey why not cool your PC with honey next ?

  • Anthony Williams
    Anthony Williams Month ago

    2 words; Liquid Nitrogen.

  • Nathan Monahan
    Nathan Monahan Month ago

    I think one of the best parts is they actually linked a bag of concrete from amazon 😆

  • John Smith
    John Smith Month ago

    Concrete is chemically set you didn't have a brown out it set up over time and the CPU thermal shut down. . . .

  • MinusNoir
    MinusNoir Month ago

    Ah ... Stepping onto concrete PC in the morning ...!

  • MinusNoir
    MinusNoir Month ago +2

    Next episodes:
    - Stone cooled PC
    - Iron cooled PC
    - Leather cooled PC
    and the newest,
    - Holy wood cooled PC
    (Oh I forgot to mention Pee cooled Pee See)

  • David Fleisch
    David Fleisch Month ago

    how about helium

  • Jackson Yoes
    Jackson Yoes Month ago

    it bothers me that he says that a 2080 is, "not too shabby" id kill for a 2080

  • DarkKing _LP
    DarkKing _LP Month ago

    A little suggestion for a better version of this:
    If you add salt to the mixture (actually not much is needed) the concrete never hardens out. That would obviously solve the problem when turning off the system.

  • Arie Eddy
    Arie Eddy Month ago

    I think seeing if car coolant would work as liquid cooling for a gaming PC would be cool

  • Black Phantom
    Black Phantom Month ago

    Linus why dont make a water cooling blcok with concrete and see how it works?

  • Electricity taster
    Electricity taster Month ago

    Next up: thermal paste in the loop.

  • Electricity taster
    Electricity taster Month ago

    you should add in a water-reducing concrete additive.

  • Juan Pablo Marengo
    Juan Pablo Marengo Month ago

    So, can you try a mint watercooling?

  • DedenThePokemon
    DedenThePokemon Month ago

    Dude i tough they were going to replace the thermal compound with concrete.. jeez

  • Riyamu
    Riyamu Month ago

    Why not make a closed loop with liquid nitrogen

  • Slow n' Broke
    Slow n' Broke Month ago

    On today's episode of LTT: Linus and the boys find out that cement (not concrete) hardens.