WEBVTT

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okay so we've all been there you need to run a video signal like really far away

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but you don't have a long enough cord well easy right just

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buy a longer HDMI cable wrong

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if you need to go more than about 40 45 feet you're gonna have to get an

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expensive active cable or you're gonna have to get a booster from someone like

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sewell direct that'll give you another 175 feet but what if

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you lived in a world where your shed was like two miles away first of all good on

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you great property you got yourself there second of all we gotta get HDMI

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out there introducing

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this jank cheap wire that we found in a bin

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we're going to use this also the hd link hl24

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to send HDMI well it's not two miles but

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however long this wire we found is speaking of wires none

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Corsair's line of unplug and play wireless peripherals lets you game with

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no compromises and no wires check them out now at the link in the video

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description

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so let's gather up everything we're going to need for our demo first my

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lovely assistant james thank you james james is equipped with

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aside from a stunning intellect you really wouldn't know looking at him he's

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got the hdlink hl24 sender so this is

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the base unit he's got our video source

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a wet lg gram because it's raining today

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he's got a battery pack to power our hd

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link sender outdoors because we're doing this outside for some idiotic reason and

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a big spool of wire for my end i'm gonna

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need the extender receiver unit

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another battery pack mine bigger than his and a monitor because i have to

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power a monitor i need to find some cover here

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ah needs to be bigger all right

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i think there's really only two words to describe what i've done here

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stable and genius

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there we go let's go to the other end only

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one small problem our wire doesn't go to the shelter

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so these just look like kind of standard almost like a speaker connection so you

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can either just go through the side like this or you can use a banana plug

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so you can tell it's already engaged because of this blinking green light

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that means it's sending data okay there's another light on the other side

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that's going to blink when it's receiving enough data okay

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all right trudging through the wilderness

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no sign of civilization

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anywhere but i gotta watch my tv

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and thank god i got this wire oh man that uh

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that 4x4 really is gonna smoke me if it falls

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guys don't bump that

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why does he run like that okay

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does it go on the black one or the red one black

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main screen turn on

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james i've got a signal

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yes yes with this technology the sand people could watch television

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now you can probably even tell through a

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video of a screen of a youtube video

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that we have got some serious compression issues here

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marquez's uh crispiness is not up to its

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usual level of crisp so here it is working we've got video

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and audio this is at 1080p 60 hertz which is pretty darn impressive

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over a single wire here but it should be noted that i wouldn't recommend a

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solution like this for gaming for example it's fine for

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watching tv but there are going to be some compression artifacts if you look

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up close there's some color depth loss and most importantly there is some added

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latency so the compression that happens in the box on that end and then the

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decompression that happens on this end does add a significant delay to the

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video signal okay now you're probably thinking to yourself

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sureliness and also james pretty impressive demo but this seems

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like fairly ideal wire as far as wire goes

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well first of all no not really because something insulated would be a little

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bit easier to work with we had some issues with this making contact with the

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wet ground causing us to have some signal drop off

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and second of all to prove that you could really use not

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just any wire but any conductive conductor we are taking it to the next

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level this is water regular

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tap water and we are going to send an HDMI signal

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through it so to conduct

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this phase of our experiment james took the included banana plugs and then

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electrical taped them to some cable that we had lying around and all we've got to

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do is plug this into here

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run my end into the ordinary tap water

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no it's working

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so now that we've got the laptop and the monitor a little bit closer together

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this gives us a better look at the delay between the source and the output

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it's not that bad but like we said before it's not

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something that you'd be able to game on but of course if we can get a video

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signal running through regular tap water

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over a span of about six inches

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then with salt water which is about a million times as conductive we should be

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able to go much further shouldn't we all right james

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let's do this so we've got here

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two water cooling reservoirs

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and a ten foot tube you might be thinking to yourself this is probably

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some kind of like weird drinking game with like the butt

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but it isn't

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not yet not on camera no we won't need a funnel no no we got this here line of spill

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tips check this out check this out how much water is on the counter put that on

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the floor is that one vented

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i don't think it's vented no it doesn't need to be it's fine you gotta um

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you gotta spread it out a little more though i think this video already has enough

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assault in it wait what are we talking about okay okay

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is that enough salt jesus

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no no i'm just regular Linus you're thinking of my cousin

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he lives in mexico

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are we getting the salt down there wow you can really see the salt moving

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there it's a salt migration

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it's like basically opaque over here this hasn't dissolved at all

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look at that

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oh lordy saturated the entire volume

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so we want to see 10 feet

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of HDMI through water oh crap keep that away from the laptop

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that will kill it for sure oh mine's leaking now too

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this million times more conductivity is not uh

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giving us million times better results i was thinking we could do HDMI over the

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ocean oh we're close we're close

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we just need more salt

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sticking them further in did not seem to

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actually generate better results

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okay should we shorten it just a little bit more

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wait wait oh

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it's so close

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still no clean signal

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come on i thought for sure a million

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times more conductivity okay here's an idea

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oh crap that wasn't the idea

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what if we just go right into the tube maybe something about the reservoir

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that's a lot of blinking there we go

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hey we got it 1080p

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60 hertz five feet through a tube now for our last trick

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we're going to take it to another level

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if it can pass through 100 water plus some salt then it should be able to

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pass through 60 water

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laser james

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oh come on no just put on your hands no they're

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salty enough no

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i had a cut it's like split now

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let's try let's try this one on like the ring

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will that work

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there it is hey not bad there it is there it is HDMI through humans

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yeah let's get that thumbs up in there yeah

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what i'll bow i'll bow

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i'll shake hands no oh it's weird

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okay so that was a lot of fun but if you've stayed for this long you probably

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deserve some kind of explanation as to

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legitimately why this exists honestly

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it seems pretty niche to us too for most

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long distance HDMI applications you would probably use HDMI over Ethernet

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since Ethernet is available in all kinds of different

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configurations for indoor or outdoor use it has multiple conductors and it also

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has quite a significant range but in an application like a digital

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signage billboard out in the middle of absolute nowhere literally two miles

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away from the source

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this could make sense another potential pitch is to use them as an emergency

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backup in the event that a cable gets severed and you like

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absolutely have to connect the two ends together

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the hl24 could be used for that as well

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so nice within a niche but definitely

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really cool to check out and you know what else is cool to check

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process visit ifixit.com Linus to get

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your protec tool kit today we're going to have that linked below so thanks for

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watching guys if you just like this video you can hit that button but if you liked it hit like get subscribed maybe

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consider checking out where to buy the stuff we featured um if you have an application for it at

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the link in the video description and while you're down there you can check out our merch store which has cool

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shirts like this one and our community for oh no we don't have shirts like this

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one maybe we should do like a Floatplane shirt and our community forum which you should

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totally join