this coolant right here can drop your CPU and GPU temps by 7 degrees celsius
or it's a scam i actually don't know yet the people at go chiller claim that they
have a graphy nanoparticle suspension
that is 60 more thermally conductive than just
normal everyday water so we're going to test it out just like i'm going to test out the
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graphene was first discovered in 2004 and ever since then it's been theorized
to be able to do basically everything well
except leave the laboratory but for real though it's a fascinating material and
it uh kind of smells like liquor and permanent
markers graphene is basically just graphite but
instead of having a 3d crystal structure it's two dimensional meaning it creates
one atom thick sheets of carbon atoms in a hexagonal orientation these bonds are
incredibly strong graphene is about 200 times stronger than steel but this
arrangement also means atoms delocalize their electrons meaning they can move
around more freely these loosey-goosey electrons is why graphene is such an
incredible electrical and thermal conductor it's actually the most
conductive material currently in existence so just how conductive well uh we have
sheets of graphene right here and it has a thermal conductivity of
1950 watts per meter kelvin that is 20
times more than liquid metal so to show you just how thermally conductive these
graphene sheets are i've got a little strip right here and if i put it down
onto an ice cube i can slice into it like butter
using the heat of my hands it feels like i'm touching an ice cube right now it's
it's so weird can you see it on the thermal camera andy yeah it's
it's so strange but these sheets have a problem because of
the one atom thickness the thermal conductivity is just one
directional so like this direction this direction really
really good this way though
through those different sheets super bad so why exactly
should this stuff work for cooling your pc wouldn't having a bunch of graphite
clogging up your microfins be a bit of a problem
well maybe i guess we're going to find out if that is an issue
but the basic principle is that you have a whole bunch of very very small
very highly conductive bits suspended in the liquid and so it's kind of like the
water goes over the hot bits and the graphene rapidly you know thermally
conducts in which it then disperses back to the water as it's traveling between
your hot bit and the radiator once you get to the radiator it very rapidly
dumps all of its heat and cools down the water around it as it's going back to
the CPU i guess it's about time that we just empty this out and
see what actually works right yeah we're gonna empty this guy out it has ek's
cryofuel in it so that's essentially just water with additives to prevent
like moss growing inside of it and stuff so i think it's a pretty good comparison
oh that's heavy what do you think the chances are
brandon of me leaving today with my clothing unstained by either graphite or
red dye two out of ten two out of ten ooh
yeah that's pretty accurate fortunately ek has an easy drain port so
you know draining and filling the system should in theory be pretty simple oh
geez that's not how that was supposed to go oh dear
i kind of do need help
nope we're fine we're fine we're doing fine brandon
what have you done
it does smell bad i just thought of a technology that we
can use
there we go it looks like below the drain port they have a little spot
that allows the water to get into the chassis instead of out of the
chassis i would say mostly that's my fault but
i thought it would work a bit better as i was saying because we have a fill
port and a drain port this is going to be exceptionally
easy to blow up
maybe we just need several people to blow on it so keep on holding it there
i'm going to blow okay
is it working at all a little bit came out sure don't know
how to make a muscle yeah
it's a specialty of mine so in conclusion
the ek fluid gaming which i said was very easy
to drain in the ShortCircuit about it is not
it's very difficult now our graphene coolant
should be a lot more thermally conductive
but graphene is also the most electrically conductive material in existence
so that's not ideal for your computer i
want to see what the resistance actually is so across
this distance right here this is distilled water so it seems to be
somewhere around i believe 10 mega ohms is what it's reading
come over here to ek's cryofuel to three-ish something like that
so ek's cryo-fuel is actually a lot more conductive than just distilled water
and we come over to our graphene solution it's about the same as ek's cryo-fuel i
don't know how much i trust these numbers i'm going to call on the engineers
so yeah this is exactly what it was doing before it started in the same spot
yeah so while this is cryo fuel they probably are creating a coating
creating a coating oh yeah that would make sense yes okay
so as it naturally sits for longer it'll build up a coating so it seems like in
our distilled water we put the leads in and the resistance
stays about the same whereas we put it in our cryo-fuel or graphene solution
it starts going up pretty fast and we're
guessing that's because of the corrosion inhibitors in here are slowly coating
the leads and increasing the resistance between them so that's cool i just
learned something now another thing that go chiller said
is really great about their stuff is it's anti-foaming agents so
foam is just terrible for your pc parts because
little bubbles and stuff can form on the micro fins in your CPU or
in your pump and like if it gets out of hand in the pump it can run dry and kill
itself or it can be less intense but just like little bubbles appearing in
your microfins and lowering the efficiency of your whole loop so i'm
interested to check it out i have my
highly technical you know little agitator here normally Linus is
good but he's on vacation unfortunately now i tried paintbrushes no good don't
agitate enough try this right here terrible result
probably see the security footage of that right now
ah this carry here is pretty good so if we take a look there's a lot of bubbles forming right
now i'm not entirely sure
that we can overcome that with the graphene solution but if we can't i'll
be impressed oh now if i had to guess this will be
pretty much the same as the water
oh actually it's foaming a little bit you can kind of see on the top there
we're getting these bubbles that are forming which we weren't really getting with the
distilled water so that sort of stuff happens in your
loop and it's gonna be not a great time i'm curious to see if
it'll behave any differently in our graphene solution it's gonna be a
bit hard to tell exactly what's going on given it's black but let's give it a go
it almost seems like it's foaming a bit more um
we're getting a lot of little bubbles kind of all over the place
i would say that was worse so that's not a pass
yeah it's like five minutes later and there still are a couple bubbles
in this one nothing at all in the cryo fuel so i think they're uh
their anti-foaming agent isn't too good
but let's chuck her in i'm actually excited i think this is going to look friggin
sweet that's why i wanted to use this computer instead of another one like we
could have just built a test bench oh geez have you watched full metal
alchemist this reminds me of the thing that was
bad i don't remember what it's called
this is freaky and like the consistency just isn't
quite right yeah oh
oh
yeah i've been marked i'm going to be graphing
possessed i don't know i don't even know it like it's shimmering it looks like
it's alive it's really odd it actually looks like
it's infecting the computer okay brandon can you give us some slow-mo i feel like
this is going to be the strangest looking pump pull ever
we're just here in the BIOS i need to change all the fans back to be full
speed this seriously looks so freaking cool
like i've seen black liquid in computers before but there's like somewhere
between like a texture and just the void in this that is so sick
i can't get over it so to test this out we're just doing the two big dirties so
fermark and prime95 run them both at the same time about as brutal as you can be
for a computer so just need to record the temperature
22.4 degrees that is slightly higher than it was before
and then wait half an hour and find out how we did
all right we're back half an hour later temperature's gone down in the room
actually a little bit but the temperature has certainly gone up in the pc
it looks like we're gonna have to refer to the graphs here yeah sorry uh it
looks like it did nearly nothing frig
it looks like in some spots it was maybe two degrees
lower and the room was also a degree
hotter when we ran this so maybe a max
of three degrees difference but that's well
within the margin of error well i wasn't happy with our test results we were
within what like one two degrees and our
test setup was not able to resolve that so
here we go different test setup we're in Linus's office where we have control of
the hvac we have a different motherboard that the vrms will not throttle on the
CPU is pegged at five gigahertz all cores voltage is locked at 1.4 and this
is gonna be an actually good test so we've got distilled water in here we're
going to run this for half an hour come back chuck the graphene in there and
with any luck it's cooler and we'll know for sure if it works
i've run this twice now with the distilled water and we've gotten 76
degrees max both times and the temperature in this room is quite
consistent we're also seeing 200 watts sustained for the whole half an hour on
the CPU so i'm pretty happy with this let's fill it up with crapping
heck yeah oh it's so warm feels nice
geez brandon why did we not do this in the first place
i don't know
all right you are no longer needed thank you thank you for your assistance
yeah that was super easy oh we're seeing again like the distilled
water wasn't doing anything weird but this is foaming at the top like their
anti-foaming agent sucks all right this one's for all the marbles
0.1 of a degree hotter than at the start of the last test
very happy with that this test is actually good so no excuses this time
so it's been half an hour and it does look like that we are one degree cooler
on our CPU with this test setup problem
is we're also one degree cooler in the room
so yeah let's take a look at the logs but
it's not looking great ah
this might have actually done something it's only one or two degrees difference
at first it was even more
but it is enough like if you look at this graph like just i think it might have actually done
something brandon oh my gosh that's shocking honestly
let's see here let's go like individual core and see what they'd here's core
four same thing it is noticeably lower and
let's change just for fun to our other water file since i ran that twice
it's exactly the same it is lower well yeah i'm pretty glad that i redid our
testing because this does show an improvement it's not massive but like
three four degrees is measurable in our test setup that we have here so it does
do something it's not complete snake oil and it looks really freaking cool like
it's legitimately the coolest looking coolant i've ever seen
so yeah i like it i want some more go
chiller send us some mostly because it looks sick but it doesn't hurt your
performance and maybe improves it so like awesome and you know what's also
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