Connecting Living Neurons to a Computer | Part 2

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  • เผยแพร่เมื่อ 13 มิ.ย. 2024
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  • @thethoughtemporium
    @thethoughtemporium  หลายเดือนก่อน +247

    If you'd like to support our work and get yourself an array poster, check out our store:
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    • @teemteem
      @teemteem หลายเดือนก่อน +4

      maybe

    • @Alceste_
      @Alceste_ หลายเดือนก่อน +4

      Did I get "printed locally here in Quebec" right? :o

    • @noi0124
      @noi0124 หลายเดือนก่อน

      @@Alceste_ yes, the link to the screen print studio is in the infobox

    • @Chitose_
      @Chitose_ หลายเดือนก่อน +2

      *THE PART TWO WE HAVE ALL BEEN WAITING FOR* 🎉🎉🎉🎉🎉

    • @murch5054
      @murch5054 หลายเดือนก่อน

      Hi, i think the link isn't working

  • @nl4006
    @nl4006 หลายเดือนก่อน +6881

    The reason the neurons all died after the initial seeding is because you didn't rinse the PEI off properly and/or didn't dry it properly. While PEI is the best pre-coating agent in the business, it is also an extremely potent membrane perforant when in solution, so any miniscule picogram of the stuff you left unpolymerized is gonna be jumping from cell to cell, shredding their membranes. Rinse at least five times with maximal volume your growth vessel can take, and dry the vessel overnight in the LAF bench, otherwise you're just wasting expensive reagents.
    Source: neuro lab-slave for 10+ years

    • @kevincuevas8877
      @kevincuevas8877 หลายเดือนก่อน +347

      Bump and like for visibility

    • @sinedddmk8996
      @sinedddmk8996 หลายเดือนก่อน +319

      Sounds like you are an ideal buddy for this dude to keep track of details, if you didnt have a job already.

    • @lucasmeneses8341
      @lucasmeneses8341 หลายเดือนก่อน +28

      Up!

    • @esra_erimez
      @esra_erimez หลายเดือนก่อน +185

      I was about to say that exact some thing. However, you left out the part about the goop in the gloopinator. You really need to check that too.

    • @user-nb6mv3ny8i
      @user-nb6mv3ny8i หลายเดือนก่อน +12

      post doc in a university?

  • @Durei.rei_
    @Durei.rei_ หลายเดือนก่อน +7618

    Imagine being conscious just to find out your purpose is to do a playthrough of doom

    • @kirralabas5315
      @kirralabas5315 หลายเดือนก่อน +887

      Somehow that doesn't seem that bad, it's a decent life purpose

    • @AllanSchon
      @AllanSchon หลายเดือนก่อน +769

      That's more or less how I remember my high school years...

    • @colematlock7755
      @colematlock7755 หลายเดือนก่อน +279

      A fulfilling life

    • @dercncplaner
      @dercncplaner หลายเดือนก่อน +107

      you know that there are theories that we live in a game. Soooo

    • @JohnDlugosz
      @JohnDlugosz หลายเดือนก่อน +211

      That's a lot better of a purpose than to pass the butter.

  • @jackhazardous4008
    @jackhazardous4008 หลายเดือนก่อน +1292

    >wake up
    >your entire existence is DOOM
    >pass on thinking that was all there ever was to life

    • @ghoulbuster1
      @ghoulbuster1 หลายเดือนก่อน +54

      Same as it ever was.

    • @poupeuu
      @poupeuu หลายเดือนก่อน +114

      >wake up
      >your existence is this one
      >pass on thinking that was all there was to life

    • @jeremymcadam7400
      @jeremymcadam7400 หลายเดือนก่อน +46

      ​@@poupeuu This is why I choose to participate in 5 dimensions

    • @gondolaone7748
      @gondolaone7748 หลายเดือนก่อน +30

      ​@@jeremymcadam7400 rookie numbers, all of us in the 6th dimension are looking down on your struggles, purely for amusement I might add

    • @j0rtsy
      @j0rtsy หลายเดือนก่อน +26

      Plato’s “The Cave” is Doom.

  • @X-SPONGED
    @X-SPONGED หลายเดือนก่อน +417

    3:20
    "You merely adopted the sports drink. I was BORN in it, MOLDED by it"

  • @hhhpestock951
    @hhhpestock951 หลายเดือนก่อน +6423

    "We're naming it: The Torment Nexus, after the hit book, Don't Build The Torment Nexus."

    • @spencerharrison9680
      @spencerharrison9680 หลายเดือนก่อน +646

      Bro is literally a classic evil scientist at this point

    • @FateStayN1ght
      @FateStayN1ght หลายเดือนก่อน +179

      I cant stop laighting at that !

    • @harriehausenman8623
      @harriehausenman8623 หลายเดือนก่อน +75

      @@rubikscuber9277 Absolutely! (in the classical meaning of the word, like in "The Gay Falcon" (1941)) 😄

    • @rubikscuber9277
      @rubikscuber9277 หลายเดือนก่อน +53

      @@harriehausenman8623 sorry I mean to say Yay

    • @Otzkar
      @Otzkar หลายเดือนก่อน

      @@spencerharrison9680 *tech company

  • @aerofight5994
    @aerofight5994 หลายเดือนก่อน +1709

    Strange man in a sweaty lab coat staring at a rat in the corner of the room. Thinking to himself ... "Can it run DOOM?"

    • @ussuratoncachi
      @ussuratoncachi หลายเดือนก่อน +84

      More correctly: "Can it play DOOM?"

    • @mishtrong
      @mishtrong หลายเดือนก่อน +48

      ​@@ussuratoncachiCan it RUN doom? Can I use its brain as a computer to run doom?

    • @Spartan11117777
      @Spartan11117777 26 วันที่ผ่านมา +9

      Can it run in a Hamster Wheel to power the Platform running Doom?

    • @joshcarriker6958
      @joshcarriker6958 25 วันที่ผ่านมา +6

      The body is just the case for the computer

    • @TheGrammarNazi123
      @TheGrammarNazi123 25 วันที่ผ่านมา

      "👍✌☠ ✋❄ ☼🕆☠ 👎⚐⚐💣✍"

  • @martyshrekster
    @martyshrekster หลายเดือนก่อน +1383

    "Yeah I'm doing research on neural networks."
    "Oh, what algorithms are you working with?"
    "Rat"

    • @legenberry3217
      @legenberry3217 หลายเดือนก่อน +16

      Underrated 😂😂

    • @denifnaf5874
      @denifnaf5874 หลายเดือนก่อน +23

      Can it run doom?

    • @Beeti1
      @Beeti1 หลายเดือนก่อน +10

      That's the medium, not the algorithm.

    • @creationstation6035
      @creationstation6035 24 วันที่ผ่านมา

      Rotational
      Additional
      Tactics
      RAT
      🐀🐀🐀
      🐀. 🐀. 🐀. 🐀🐀🐀🐀🐀
      🐀🐀🐀. 🐀🐀. 🐀
      🐀. 🐀. 🐀🐀🐀. 🐀
      🐀. 🐀. 🐀. 🐀. 🐀

    • @John-wd5cb
      @John-wd5cb 23 วันที่ผ่านมา +3

      and where do you work?
      A weapons corporation..

  • @isodoublet
    @isodoublet หลายเดือนก่อน +292

    Don't you just hate it when you're chilling in the torment nexus when all of a sudden your entire being is overcome with an extremely powerful chemical irritant?

  • @hakajiru264
    @hakajiru264 หลายเดือนก่อน +3575

    Painstakingly growing a brain slice only to pepperspray it moments later -.-

    • @ayybe7894
      @ayybe7894 หลายเดือนก่อน +234

      Such is the cruel nature of life

    • @LordDragox412
      @LordDragox412 หลายเดือนก่อน +411

      Do not build the Torment Nexus. But if you do, do not torment the Torment Nexus with cayenne pepper flakes.

    • @Imtoolazytodothis
      @Imtoolazytodothis หลายเดือนก่อน +17

      Sounds like a middle-age crisis

    • @harriehausenman8623
      @harriehausenman8623 หลายเดือนก่อน +5

      Almost human

    • @Asmodis4
      @Asmodis4 หลายเดือนก่อน +7

      every time i found one of his videos i get this harlan ellison vipes and i dont know why.

  • @kayjersch4959
    @kayjersch4959 หลายเดือนก่อน +1955

    3:50 "long term, i want to simulate a whole brain"
    fucking WHAT

    • @thewizard1
      @thewizard1 หลายเดือนก่อน +288

      Bro is a mad scientist 😭

    • @harriehausenman8623
      @harriehausenman8623 หลายเดือนก่อน +84

      Naturally. 🧐

    • @samuelhomberg9075
      @samuelhomberg9075 หลายเดือนก่อน +127

      I think he's not talking about a human brain (so far...).

    • @CarlosSpicyWang
      @CarlosSpicyWang หลายเดือนก่อน

      @@samuelhomberg9075You want skynet? That’s how you get skynet.

    • @wesleymays1931
      @wesleymays1931 หลายเดือนก่อน

      ​@@samuelhomberg9075give him time...

  • @Prucake
    @Prucake หลายเดือนก่อน +135

    "Don't build the torment nexus"
    YOU HAD ONE INSTRUCTION.

    • @omn1cr0ngaming66
      @omn1cr0ngaming66 17 วันที่ผ่านมา +8

      Instructions unclear, built torment nexus

  • @BionicleFreek99
    @BionicleFreek99 หลายเดือนก่อน +167

    Finally! Man-made horrors WITHIN my comprehension!

  • @orsonzedd
    @orsonzedd หลายเดือนก่อน +3656

    I'm glad someone's finally getting around to building the torment Nexus

    • @ayybe7894
      @ayybe7894 หลายเดือนก่อน +275

      Well it wasn't going to build itself.

    • @Imtoolazytodothis
      @Imtoolazytodothis หลายเดือนก่อน +38

      @@ayybe7894 your not wrong lmao

    • @LordDragox412
      @LordDragox412 หลายเดือนก่อน +182

      Me: Wait, where does the "torment" come from in Torment Nexus?
      The Thought Emporium: Cayenne pepper flakes. Look at the neurons screaming in torment. Delightful.
      Me: Oh yeah, that makes total sense, thanks.

    • @jakobweisser8044
      @jakobweisser8044 หลายเดือนก่อน +99

      I'm just glad it's the humble mad scientist and not the techbros.

    • @warmitchine3388
      @warmitchine3388 หลายเดือนก่อน

      @@jakobweisser8044 "We built a neural interface on an unregistered cruise liner off the coast of Panama that mines cryptocurrency. We just need your donation of $200,000 to keep it running and to pay the illegal waste dumping fees." -techbro neuroscientists

  • @anonymousapproximation8549
    @anonymousapproximation8549 หลายเดือนก่อน +818

    "It's designed for researchers, not a bunch of crazy nerds"
    "Corporate needs you to spot the difference between these images"

    • @mihael64
      @mihael64 หลายเดือนก่อน +37

      Researchers aren't nerds, they're just crazy

    • @ttty2242
      @ttty2242 หลายเดือนก่อน +41

      budget

    • @SioxerNikita
      @SioxerNikita หลายเดือนก่อน +8

      @@mihael64 But... they are also usually nerds XD

    • @vidal9747
      @vidal9747 หลายเดือนก่อน +21

      @@mihael64 My advisor literally can not physically stop himself from talking about Dune if he drank more than 2 beers... And not every researcher is crazy. Some can even manage work life balance. Not anyone I know, but I heard some can!

    • @blakksheep736
      @blakksheep736 หลายเดือนก่อน +12

      The only difference between a researcher and a nerd is that researchers are paid.

  • @cefcephatus
    @cefcephatus หลายเดือนก่อน +90

    9:29 "Why those ingredients? I have NO IDEA!"
    Yep! That's how you know someone is doing real science and not just teaching you prepared lesson.

    • @johnpooky84
      @johnpooky84 20 วันที่ผ่านมา +2

      (*Cave Johnson enters the chat*)

    • @aimalisapro123
      @aimalisapro123 2 วันที่ผ่านมา

      @@johnpooky84PORTAL MENTION

  • @christophepetry6782
    @christophepetry6782 หลายเดือนก่อน +111

    I'm a doctoral researcher and Neuroscientist. When it comes to culturing medium for neurons morphology can tell you a lot about the state a cell is in (this goes for most cell types). To me the classic choice of Neurobasal gives you cells with shrunk cell bodies (the nucleus is tightly shrink wrapped if you will) and long complex truncated neurites (dendrites and axons). This tells you that these cells are "mature" neurons. They are not quite mature because you literally need let time pass for them to become mature, interestingly the time of maturation depends on species and is much longer for human neurons compared to mouse neurons.

    • @TheAmazingAnimator
      @TheAmazingAnimator 25 วันที่ผ่านมา

      I think that's because rats have less neurons to mature overrall.
      also because other animals (I think) gain consciousness faster

    • @christophepetry6782
      @christophepetry6782 25 วันที่ผ่านมา +8

      @@TheAmazingAnimator it is more about complexity of their connections and morphology and less about the overall number of cells. In culture you can observe the same time discrepancies between neurons of different species, so it is an inherent quality of the cells.
      We are not clear on what level of consciousness other animals have , since we can’t test for it. You probably mean animals become independent much earlier, since humans literally complete their development outside the mothers body. During evolution our heads got to big for our pelvises so we have to be born “prematurely”.

  • @nuclearocean
    @nuclearocean หลายเดือนก่อน +1235

    Can't wait till I have to feed my computer and overclock it with some spicy red pepper

    • @henrysanecdotes5323
      @henrysanecdotes5323 หลายเดือนก่อน +158

      *losing in valorant* MY FRAMES! GET THE PEPPER

    • @AngryAlfonse
      @AngryAlfonse หลายเดือนก่อน +154

      "Hey guys, my GPU is struggling to hit 120fps. Gotta go toss a 5 hour energy into the growth medium circulator."

    • @alephnole7009
      @alephnole7009 หลายเดือนก่อน +53

      Sprinkling it in like fish food into a brain in a tank

    • @harriehausenman8623
      @harriehausenman8623 หลายเดือนก่อน +74

      *playing fps game*
      *loosing connection*
      "Guys, my machine just had a seizure."

    • @navinvent
      @navinvent หลายเดือนก่อน

      What i learnt is that injecting pepper into the brain will be an effective form of torture.

  • @kh6853
    @kh6853 หลายเดือนก่อน +356

    Imagine being the neurons
    "okay, so we can't sense anything, and we probably can't do anything, but we AAH SPICY!"

    • @in4init3vr
      @in4init3vr หลายเดือนก่อน +28

      Imagine just being born to not see, and then you just get random feelings all around you

  • @professorstevepotter
    @professorstevepotter หลายเดือนก่อน +70

    9:55 Aha! apropos to my previous comment about cell density, I see how to solve your problems: We always added a small droplet (50-100ul) of cell suspension added to an EMPTY dish, with just a 3mm laminin wet spot. Calculate what density you need in the suspension to get 50k-100k cells in that droplet. After the cells have settled and adhered (30 min?) carefully add the rest of the medium to flood the dish. Now you will have very dense cultures and signals on every electrode.

    • @MyDadSaid
      @MyDadSaid หลายเดือนก่อน +6

      Thank you. We really appreciate all your input.

  • @AcceptableAsGenerallyDecent
    @AcceptableAsGenerallyDecent หลายเดือนก่อน +83

    dr stone would probably accomplish this with the power of jump cuts and eye closeups

    • @noi0124
      @noi0124 หลายเดือนก่อน +5

      Power of anime

    • @guarana-suquinho
      @guarana-suquinho 24 วันที่ผ่านมา +1

      And that's why he is called Dr Stoned.

    • @johnpooky84
      @johnpooky84 20 วันที่ผ่านมา +1

      I loved that show! Hoping for a Season 3.

    • @Numbers-gStands
      @Numbers-gStands 14 วันที่ผ่านมา

      @@johnpooky84 I was wondering the same thing and I think there is a season 3 but it’s not on netflix yet?

    • @johnpooky84
      @johnpooky84 14 วันที่ผ่านมา

      @@Numbers-gStands Dr. Stone's on Netflix? I watched it on Crunchyroll.

  • @Rosencrantz17
    @Rosencrantz17 หลายเดือนก่อน +216

    "What is my purpose?"
    "You play DOOM."
    "RIP AND TEAR! RIP AND TEAR! RIP AND TEAR!"

    • @Hexawatt
      @Hexawatt หลายเดือนก่อน +22

      Rip And Tear, or R.A.T. for short.

    • @Cacowninja
      @Cacowninja 26 วันที่ผ่านมา +2

      Until it's done!

    • @pizzapie5356
      @pizzapie5356 21 วันที่ผ่านมา

      Man is gonna build a murder hungry superintelligence

  • @davef21370
    @davef21370 หลายเดือนก่อน +601

    It's brilliant but a little sad to think that a dish full of rat neurons could potentially beat me at Doom.

    • @breadboi3837
      @breadboi3837 หลายเดือนก่อน +56

      the ultimate cheat system, full automation cheats; I could grind war thunder off a chunk of rat brain

    • @zachrowe6271
      @zachrowe6271 หลายเดือนก่อน +86

      ​@@breadboi3837imagine getting banned for rat brain botting 😂

    • @harriehausenman8623
      @harriehausenman8623 หลายเดือนก่อน

      @@zachrowe6271 🤗

    • @user-burner
      @user-burner หลายเดือนก่อน +19

      To be fair, you also have to think about, yknow, having a body and pressing keys and shit.

    • @NiclasOvik
      @NiclasOvik หลายเดือนก่อน +5

      ​@@user-burnerTrue that, all about focus, reaching flow state.

  • @professorstevepotter
    @professorstevepotter หลายเดือนก่อน +34

    My other suggestions seem to have been deleted, perhaps because I linked a paper of ours. I guessed that you may be killing cells with too much light. Phototoxicity is a huge problem with any fluorescence microscopy. To reduce it, use phase contrast (not fluorescence) microscopy and use longer-wavelength (red) light. Also, when doing fluorescence imaging, use a lower-NA lens, more sensitive cameras, dimmer illumination, longer wavelength excitation, and shorter exposure to light.

    • @thethoughtemporium
      @thethoughtemporium  หลายเดือนก่อน +14

      Feel free to send me an email with all of the suggestions so they don't get lost! And they're greatly appreciated as always.
      We only use phase contrast when checking on the cells. Fluorescence was only used at the end for the sake of the experiment, and the dye was only used on one of the arrays after we had finished all other experiments. The arrays are also only ever left on the microscope for as brief a moment as possible, but the phase contrast images aren't as pretty so I don't use that footage in the video as much.
      I also saw you recommend concentrating the neurons in the middle. I read that in the instructions and that's how we attempted it the first time when the cells died. We went with adding the neurons after the media because we knew for sure the neurons would survive as we've tested that method a lot and couldn't risk another culture dying. We were pressed for time to get the video out. And for our arrays the electrodes are REALLY spread out, so we're gonna need a high neuron density across most of the surface of the array anyway. You'll notice I made the walls of our arrays taller than the multichannel ones. It was specifically because I wanted to increase the amount of growth media per well so the neurons don't deplete it as quickly and to account for an eventual much higher neuron density across the array.
      We have wanted to upgrade our camera on the microscope for a while, but the scope itself was a HUGE upgrade. It's new for this video and it cost a pretty penny. But it's built exactly for this kind of experiment so we can switch out the camera next. I also want to move to a red dye to lower the illumination wavelength as you say. And also just to make the videos look more interesting than always green. We ran out of time, but we also got a tubulin specific dye we're gonna show off next time that would look best against an otherwise red stained neuron. And we picked up NucBlue so we can stain the nucleus properly. One of the shots of the neurons firing included it from the first well we tested it on. I overlaid it. It's subtle but makes the neurons look nicer and the nucleus visible.

    • @thethoughtemporium
      @thethoughtemporium  หลายเดือนก่อน +13

      Also, I've set your account to always show comments on the channel now, so they shouldn't get deleted.

  • @Isteak80
    @Isteak80 หลายเดือนก่อน +3

    "I want to build up to simulating a whole brain" followed by "...so anyway" caused me at least some level of concern.

  • @Sporkekw
    @Sporkekw หลายเดือนก่อน +240

    "Slightly sentient enchilada" caught me off guard xDDDD

  • @Mechthorian
    @Mechthorian หลายเดือนก่อน +485

    24:40
    Surely this is the worst O-Ring disaster in the scientific profession...

    • @noi0124
      @noi0124 หลายเดือนก่อน +122

      New challenger appeared!

    • @AresHoax_9
      @AresHoax_9 หลายเดือนก่อน +20

      @@noi0124it’s the challenger space shuttle ! Ready? Set Fight!

    • @harriehausenman8623
      @harriehausenman8623 หลายเดือนก่อน +42

      Maybe they just have to chill… *checking notes*
      On no, wait. That was NOT the cure 😆

    • @JinKee
      @JinKee หลายเดือนก่อน +10

      Too soon

    • @m4rcyonstation93
      @m4rcyonstation93 หลายเดือนก่อน +2

      Context? (Curious)

  • @thingyjim
    @thingyjim หลายเดือนก่อน +20

    Hey! I’m messing with neurons at the moment in my PhD and I saw the exact same morphology in DMEM/F12, I was stumped what was causing it! As a precaution we’re genotyping with ICC and qPCR since we’re deriving from iPSCs - anyway, love the video! This project is so cool!

  • @thesuperfluousone2537
    @thesuperfluousone2537 22 วันที่ผ่านมา +4

    "Don't build the torment nexus."
    "What'd he say?"
    "I don't know. I think he said build the torment nexus."

  • @gevelegian
    @gevelegian หลายเดือนก่อน +282

    If youtube was just this type of content but with every expertise/experiment currently going on. It would be just perfect harmony.

    • @Imtoolazytodothis
      @Imtoolazytodothis หลายเดือนก่อน +25

      The perfect combination of long-form content, diligent and passionate work, and humor!

    • @LordDragox412
      @LordDragox412 หลายเดือนก่อน +18

      Meanwhile TH-cam: Demonetized.

    • @yaysuu
      @yaysuu 18 วันที่ผ่านมา +3

      TestTube

    • @gevelegian
      @gevelegian 17 วันที่ผ่านมา +2

      @@yaysuu holy smokes you're onto something!

    • @Gidon147
      @Gidon147 10 วันที่ผ่านมา +1

      not only that, it would inspire young people from age 2 onwards to become youtubers and make the next big scientific discovery/invention!

  • @RevolutionPony
    @RevolutionPony หลายเดือนก่อน +440

    I loved reading "Don't Build the Torment Nexus!" When I was a kid. I don't remember what the moral of the story was, but I really liked the lore, aesthetics, and world building. I'm so glad someone is bringing my favourite sci-fi to life! We really do live in the future!

    • @Penguinman2.0
      @Penguinman2.0 หลายเดือนก่อน +13

      Wait I can’t tell if this is genuine or not

    • @DawnPetrichor1
      @DawnPetrichor1 หลายเดือนก่อน +33

      @@Penguinman2.0Neither can I…
      On a second reading, I don’t think it’s genuine, “I don’t remember what the moral of the story was” seems like it wouldn’t be there if it was.

    • @SissypheanCatboy
      @SissypheanCatboy หลายเดือนก่อน +150

      @@Penguinman2.0 The book doesn't exist, its from a meme talking about how techbros proudly claim inspiration from scifi stories where the whole moral is NOT to build the technology featured in the movie. Like how vr/metaverse nerds constantly say "its like the Matrix in real life"

    • @adora_was_taken
      @adora_was_taken หลายเดือนก่อน +34

      @@SissypheanCatboy or more recently, openai comparing gpt-4o to the movie "her"

    • @vipture.
      @vipture. หลายเดือนก่อน +37

      ​@@SissypheanCatboyThe first thing we did after GPT-1 showed promise was hook up the next version to the internet to learn from. It's like the people at the forefront of advancement have turned dystopian prophecies into a checklist..

  • @erezdude123
    @erezdude123 หลายเดือนก่อน +5

    You are one of the main reasons I am perusing my masters in synthetic biology!!!! I love your videos man hope you keep doing what you do :)

  • @hakajiru264
    @hakajiru264 หลายเดือนก่อน +91

    Neuron: Help I'm peeling
    Neurobiologist: SUGAR FREE HORSE JUICE

  • @TornaitSuperBird
    @TornaitSuperBird หลายเดือนก่อน +468

    10:09 "Hey how are the neurons growing?"
    "They all died"
    *AD*
    ...had a hard time trying not to chuckle in the doctor's office.

    • @WurliMonkhaven
      @WurliMonkhaven หลายเดือนก่อน +3

      Hope the appointment went well! God bless!

    • @aeea3306
      @aeea3306 5 วันที่ผ่านมา

      What

  • @katofmine
    @katofmine หลายเดือนก่อน +8

    18:09 “slightly sentient enchilada” made me inhale half my beer

  • @phillipotey9736
    @phillipotey9736 หลายเดือนก่อน +1

    For your cap problem. Get a smaller radius plug to fit in the collection. Use the semipermiable membrane as the gasket layer. You can then place an o ring directly on the plates acrylic pipe.

  • @aaronbrown4682
    @aaronbrown4682 หลายเดือนก่อน +142

    Hey! I work with mammalian cell cultures, and I know they can be very finicky! If you didn't change the media a day after your initial seeding, the residual DMSO from the cryopreservation media is likely what killed your cells. Not sure if you did this or not, but I didn't see it in the video so figured it was worth mentioning! You guys are awesome, keep up the great work.

  • @aeliion
    @aeliion หลายเดือนก่อน +3

    I've been waiting almost a year for this video! Now it's finally here! Thank you so much! 🎉🎉🎉

  • @fernandoschuindt1665
    @fernandoschuindt1665 หลายเดือนก่อน +4

    Impressive! It’s really nice to see the path your channel has taken. From the time I was watching you hunting VHF satellites in Brazil, Wi-Fi imaging, the pulsar corner reflector (that one got me really excited), to DNA hacking and neuron training. I would like to say I came for the RF and stayed for the bio. 10/10

  • @darealsherlock8026
    @darealsherlock8026 หลายเดือนก่อน +920

    DOCTOR STEVE POTTER CONTACTED YOU!
    THE DOCTOR POTTER!
    This is surely indicative of success to come

    • @akatsukilevi
      @akatsukilevi หลายเดือนก่อน +235

      For the ones randomly watching this and has no idea who Steve Potter is and why it is a big deal
      It is as if Jesus Christ himself showed up for a theology class

    • @Imtoolazytodothis
      @Imtoolazytodothis หลายเดือนก่อน +20

      A truly impressive feat!

    • @harriehausenman8623
      @harriehausenman8623 หลายเดือนก่อน +9

      What a Legend.

    • @jimcobbler3954
      @jimcobbler3954 หลายเดือนก่อน +32

      I’m sure he’s never heard this joke, but he sounds like a wizard in this field.

    • @TekedixXx
      @TekedixXx หลายเดือนก่อน

      @@akatsukilevi I can't not stop thinking about Professor brothers now lol

  • @titusbaum9690
    @titusbaum9690 หลายเดือนก่อน +180

    Neuron-piloted flesh mechs growing neurons, simulating neurons, looking at neurons, visualizing neurons.
    Ah yes, Neuron Activation.

    • @audriusskebas3099
      @audriusskebas3099 หลายเดือนก่อน +14

      Soon we shall have a flesh automaton animated by neurotransmitters!

    • @Gakulon
      @Gakulon หลายเดือนก่อน +10

      Do not dare to insult the purity of steel by comparing mechs to abominable flesh

    • @Mate_Antal_Zoltan
      @Mate_Antal_Zoltan หลายเดือนก่อน +4

      Bro just called God's greatest creation "neuron-piloted flesh mechs"

    • @audriusskebas3099
      @audriusskebas3099 หลายเดือนก่อน +1

      @@Mate_Antal_Zoltan It's a Cruelty Squad reference xP

    • @Mate_Antal_Zoltan
      @Mate_Antal_Zoltan หลายเดือนก่อน +4

      @@audriusskebas3099 guy who has only played Cruelty Squad in his entire life: "I'm getting real Cruelty Squad vibes from this..."

  • @cougar9610
    @cougar9610 17 วันที่ผ่านมา +6

    Imagine having a CPU that's literally just a brain, how fast would it compute compared to a normal cpu?

  • @okkosiemers6423
    @okkosiemers6423 หลายเดือนก่อน +4

    I had no idea you could actually grow live neurons and train them to do stuff... thank you for documenting your unique experiment and sharing it with the world.

  • @morgan3392
    @morgan3392 หลายเดือนก่อน +75

    This part of TH-cam is interesting because you have genuine, field respected scientists contributing to a meme. A similar situation I see is a video series an amateur arachnid enthusiast making absurdly detailed videos about common house spiders, and basically has tons of scientists conversing with him and in the comments about the most trivial of differences between two species of harmless spiders

    • @Astoria_Varanus
      @Astoria_Varanus หลายเดือนก่อน +5

      Which channel is this?

    • @morgan3392
      @morgan3392 หลายเดือนก่อน +16

      @@Astoria_Varanus Oops, I forgot to put his name: Travis McEnery. The series is called "The Spiders in Your House."

    • @cheesebucket142
      @cheesebucket142 หลายเดือนก่อน +11

      To be fair, if this project succeeds it will be the ultimate, unbeatable iteration of the running doom on X meme.

  • @a.p.2356
    @a.p.2356 หลายเดือนก่อน +278

    "What if we grew a mind in a vat that only knew how to interact with the world through violence and was trained to snap headshot imps in .03 seconds, this will surely not go terribly wrong."

    • @SafetyAlwaysLast
      @SafetyAlwaysLast หลายเดือนก่อน +51

      Yeah, this could never go wrong, but to make sure lets wire a 100 of these up to the Boston dynamics robot wielding a shotgun. But we would still be in control, right? lol

    • @asdfghyter
      @asdfghyter หลายเดือนก่อน +52

      I know this is a joke, but the interaction that the neurons see is not in any way related to violence. it's like if you played doom, but instead of a screen, you just see an array of 10 blinking lights and no-one told you that you're playing doom, only if you're succeeding at pressing the correct buttons or not.
      so ... as long as no-one tries to apply this to real-life weapons, there's no reason whatsoever to worry. though ... now that I think of it, knowing humans, this does indeed have me worried

    • @williamlux
      @williamlux หลายเดือนก่อน +15

      ​@@SafetyAlwaysLast
      Boston dynamics V1

    • @SafetyAlwaysLast
      @SafetyAlwaysLast หลายเดือนก่อน +10

      Context- For it to work like the joke intended it would need some reason for violence like a reward system but for that to work we have to have some sort of detection software supporting it and at that point just use software, so yeah the joke falls apart, oh well. Except for machine learning being applicable to organisms, i.e. stimuli training, so maybe we could consider culturing them with positive stimuli for shooting the target before sending them but that sounds like a lot of work. Not that someone wouldn't try? Also if the logic reply wasn't to the Boston Dynamics bot joke then that is really embarrassing lol

    • @asdfghyter
      @asdfghyter หลายเดือนก่อน +9

      @@SafetyAlwaysLast on the other hand, the neurons not being aware of it being violence points to another issue, since that means they won't have any concerns whatsoever with performing violence if put in a situation where they might accidentally do so.
      putting any kind of neural network, artificial or biological, in charge of dangerous equipment means that unless you very actively train it to avoid harming humans, it will do so if any humans get in the way. this is of course already the case with any kind of automated machines, even without neural networks or similar, which is why we tend to place robots in cages, so we can better protect humans from them

  • @usser-505
    @usser-505 หลายเดือนก่อน +4

    Guys, don't stop. I NEED to see what will come out. Your first 2 vids inspired me so that from just a noob in programming thinking to himself "well, im gonna be a programmer and program commercial things" you made it so I now have a greater purpose in life and right now I'm doing an EEG research together with a neurobiology lab (I was the one who contacted with them and suggested a research and I'm the one doing it, but they give me access to some fancy things). Thank you and DON'T STOP UNTIL ITS DONE

  • @Tamramsy
    @Tamramsy หลายเดือนก่อน +4

    Glad TH-cam brought me back for part 2!

  • @aabb1166
    @aabb1166 หลายเดือนก่อน +55

    I am a mitochondrial and cancer physiologist, and not a neurobiologist, but have been studying metabolic and growth effects of different commercial medias. It might be worth keeping in mind that the metabolite concentrations in DMEM are largely not found in the brain. I'd be curious to know how Neurobasal and DMEM compare in their composition. All of these considerations, i.e., metabolic activity and ionic concentration, will affect the neuron's membrane potential.

    • @timothyvanderschultzen9640
      @timothyvanderschultzen9640 หลายเดือนก่อน +1

      I WAS THINKING THE SAME THING!

    • @DarkRavenhaft
      @DarkRavenhaft หลายเดือนก่อน +1

      DMEM with FBS (foetal bovine serum) is an excellent medium for accelerated growth but yeah, it's 4x stronger than standard EMEM. EMEM or Opti-MEM may be a better option for maintaining mature cultures, with Opti having the added benefit of requiring much less FBS.

  • @michaelmaguire4147
    @michaelmaguire4147 หลายเดือนก่อน +61

    13:41 It does say "Minimize light exposure" on the bag.

  • @JoeskiX0451
    @JoeskiX0451 หลายเดือนก่อน +1

    I wish I could find it again but I found a video that showed how to make fine masks for sputter deposition. They used a film that would cure under UV light and a stencil printed on clear plastic. The parts that weren't under UV could be washed away with water(?) and then be put in the plasma machine. After that the mask could be washed away in a chemical solution leaving behind the pattern. At the end of the video they showed off a test piece that they made. If I find the video again I'll leave a comment here.

  • @Tomyb15
    @Tomyb15 หลายเดือนก่อน +1

    Really excited that you are actually getting close to getting them to play a game! I can't wait!
    For the teflon tube, just make a small valley on the surface with the lathe for the oring to sit in.

  • @jvdos
    @jvdos หลายเดือนก่อน +1253

    THE DAY HAS COME BROTHERS! 🗣️🔥🔥

    • @Log4Jake
      @Log4Jake หลายเดือนก่อน +19

      FINNNNALLLLLYYYYY

    • @n0o0b090lv
      @n0o0b090lv หลายเดือนก่อน +13

      LETS GOOOOOOO💯💯

    • @Xxrasierklinge7
      @Xxrasierklinge7 หลายเดือนก่อน +11

      Ikr! I've been waiting for this for what seems like FOREVER!!!!!

    • @lopatoj
      @lopatoj หลายเดือนก่อน +2

      yay

    • @quentar9309
      @quentar9309 หลายเดือนก่อน +13

      WE WILL FINALLY MAKE A MEAT COMPUTER

  • @Cmanorange
    @Cmanorange หลายเดือนก่อน +2

    i've actually hardened my own mind against the "you're now breathing manually" and "you can now see your nose" attacks (i hope i didn't kill my mirror neurons 👀). the one that can still get me though is "you can now feel the weight of your feet on your ankles"

    • @marksmanmerc1
      @marksmanmerc1 หลายเดือนก่อน +1

      What have you cursed me with

    • @nerd1000ify
      @nerd1000ify หลายเดือนก่อน +2

      Ever had your foot 'go to sleep' from holding it in an awkward position too long then walked on it?

  • @MrCaesartheman
    @MrCaesartheman 18 วันที่ผ่านมา +2

    i had no idea this was out, ive been waiting for this for ages

  • @vvoid8416
    @vvoid8416 หลายเดือนก่อน +295

    The trick to finding a comfy spot for your tongue is actually the roof of your mouth. People struggle with it because it's not intuitive that you keep it up there with suction normally.

    • @ambiguoustv7403
      @ambiguoustv7403 หลายเดือนก่อน +15

      μ

    • @s701m5
      @s701m5 หลายเดือนก่อน +38

      i love mewing

    • @ElectronFieldPulse
      @ElectronFieldPulse หลายเดือนก่อน +6

      Huh, it’s kind of comfy

    • @mattress203
      @mattress203 หลายเดือนก่อน

      Funny enough I have a mint in my mouth and was already moving my tongue

    • @bethannesgarden
      @bethannesgarden หลายเดือนก่อน +1

      Thanks!

  • @HarbAlarm
    @HarbAlarm หลายเดือนก่อน +46

    neurons: WHY IS IT SPICY

    • @phiality9070
      @phiality9070 หลายเดือนก่อน

      NOT THE SPICEEEE AAAAA

  • @elousie1187
    @elousie1187 หลายเดือนก่อน +1

    Damn I want you guys to know I'm excited!! I'm really excited to see where we're going with this!!! I love it so much!

  • @cabrerarodrigo82
    @cabrerarodrigo82 หลายเดือนก่อน +6

    How do the neurons "see" the game. That's the part I can't wrap my head around

    • @thekingnerd6639
      @thekingnerd6639 18 วันที่ผ่านมา +2

      The way that it will work is most likely they take the data from the game, asteroid for example, of an enemy being "to the left" and sends signal to a nerve cluster. Cluster then triggers, which tells the left cluster to turn left. Signal is then sent to a different sight cluster that says enemy is "in front" which tells the gun cluster to shoot. Just my guess, same way as us. We receive a signal from eyes that a wall is in front of us, so we don't run into the wall.

    • @Sadeness99
      @Sadeness99 17 วันที่ผ่านมา

      Shiz makes me question life every single time

    • @michaelkrasavtsev
      @michaelkrasavtsev 14 วันที่ผ่านมา

      They use signals to sense the obstacles, enemies, doors, walls, etc

  • @sweetspiderling
    @sweetspiderling หลายเดือนก่อน +32

    18:13 putting a tinfoil hat on the neurons is amazing

  • @taiteo558
    @taiteo558 หลายเดือนก่อน +15

    Can't wait until 2030 when I have to worry about giving my phone a concussion when I drop it

  • @purplrshadowyay
    @purplrshadowyay หลายเดือนก่อน +1

    you have NO IDEA how much i've waited for this!!

  • @BritishBoy
    @BritishBoy 26 วันที่ผ่านมา +1

    This is quickly becoming my favourite series on TH-cam

  • @THEFUFFYDRAGONx
    @THEFUFFYDRAGONx หลายเดือนก่อน +123

    *Rip and tear playing in the distance* THE TIME HAS COME

  • @MateusAntonioBittencourt
    @MateusAntonioBittencourt หลายเดือนก่อน +21

    Hey... I've noticed sometimes when pipetting, you (or whoever is doing the pipetting) touches the destination, and they go back to the source. This is a no-no as it can cross contaminate the whole batch, and the source material. I'm not even talking about living contamination. In the examples I saw, I don't think it's that big of a deal, it would introduce neurobasal into the neuron source.
    But it's a bad practice either way.

    • @GabrielleduVent
      @GabrielleduVent 15 วันที่ผ่านมา

      Yep, once it touches a new source, tips go bye bye. I'm surprised at some of the stuff done here, as we ALWAYS filter our media... And I haven't seen that. Also, just pouring tubes out can be a source of contamination.

  • @killshadow3
    @killshadow3 หลายเดือนก่อน +4

    This is one of the coolest projects I've ever seen. Who knows, maybe someday you'll connect whole rat brains to the internet

    • @carlpanzram7081
      @carlpanzram7081 หลายเดือนก่อน +1

      It'll end ul learning to Google for pictures of cheese and female rats.

    • @ashutoshsethi6150
      @ashutoshsethi6150 7 วันที่ผ่านมา +1

      ​@@carlpanzram7081 and cat slander.

  • @hugacreeper69110
    @hugacreeper69110 หลายเดือนก่อน +1

    yesss been waiting for part 2 thank you

  • @patates42
    @patates42 หลายเดือนก่อน +106

    ON TODAYS EPISODE OF MANMADE HORRORS WITHIN COMPRENTION
    (edit: i will respect english spelling once its concistant (was that wrong, probably) fake ass language)

    • @superpaperfoxhatesNSFW
      @superpaperfoxhatesNSFW หลายเดือนก่อน +1

      ikr

    • @uriituw
      @uriituw หลายเดือนก่อน +2

      How many todays are there?
      There’s no need to shout.

    • @d_mb
      @d_mb หลายเดือนก่อน +1

      @uriituw ok boomer

    • @therealjibrano
      @therealjibrano หลายเดือนก่อน +2

      COMPRENTION

    • @shadesoftime
      @shadesoftime หลายเดือนก่อน +2

      spelling is beyond your own comprehension

  • @Penultimeat
    @Penultimeat หลายเดือนก่อน +51

    Thank you Multichannel Systems (affiliate of Harvard Bioscience)! Without your help we never could have built the Torment Nexus.

  • @bh3302
    @bh3302 24 วันที่ผ่านมา

    Been waiting for this video for some time and you guys more than delivered! Keep up the amazing work, it is incredibly inspiring to see 🧠

  • @CaioLGon
    @CaioLGon หลายเดือนก่อน +2

    Love the content. Every video and experiment is packed with so much information. That to me you are the best biology related channel.

  • @Dyll380
    @Dyll380 หลายเดือนก่อน +71

    if youre still having issues with the array electrodes being cut correctly, maybe ask a glitter company if they can help. I know its a weird idea but glitterX is just a company with precision cutting instruments. Might be worth it

    • @harriehausenman8623
      @harriehausenman8623 หลายเดือนก่อน +14

      Wasn't there the old riddle about what the glitter companys biggest customer was and they have absolute secrecy and nobody knows? 🤔

    • @FlatlandsSurvivor
      @FlatlandsSurvivor หลายเดือนก่อน +30

      ​@@harriehausenman8623 Yes, and it is most likely pearlescent paint for hobby boats. Boat manufacturers don't want it to be associated with how "unmanly" glitter is seen as, as well as the fact that pretty much all of it ends up as pollution in water.

  • @Weretyu7777
    @Weretyu7777 หลายเดือนก่อน +18

    Love the Tumblr post reference with the Torment Nexus joke

  • @Chitose_
    @Chitose_ หลายเดือนก่อน +1

    *THE PART TWO WE HAVE ALL BEEN WAITING FOR* 🎉🎉🎉🎉🎉

  • @Gounesh
    @Gounesh หลายเดือนก่อน +2

    I didn’t know that there a so many materials in common with 3d printing! Fep, pei, teflon, lactate. Just waow!

  • @Imtoolazytodothis
    @Imtoolazytodothis หลายเดือนก่อน +547

    Do not let bro start his villain arc 💀

    • @percivallavoie4415
      @percivallavoie4415 หลายเดือนก่อน +27

      Too late buddy 😂

    • @millie_the_midi_channel
      @millie_the_midi_channel หลายเดือนก่อน +4

      Hey what was the unedited?

    • @christhed8679
      @christhed8679 หลายเดือนก่อน +26

      Adding capsaicin to the culture was the start of the villain arc

    • @Bread78787
      @Bread78787 หลายเดือนก่อน +10

      Wow, this comment is hilarious and I really appreciate the originality😐

    • @Imtoolazytodothis
      @Imtoolazytodothis หลายเดือนก่อน +4

      @@Bread78787 shh-

  • @korraiswaifu6245
    @korraiswaifu6245 หลายเดือนก่อน +86

    Wonder if the neurons will freak out when they cant look up or down.

    • @rootabeta9015
      @rootabeta9015 หลายเดือนก่อน +46

      only as much as you'll freak out when you realize there's a fourth dimension you can't rotate yourself in

    • @harriehausenman8623
      @harriehausenman8623 หลายเดือนก่อน +3

      @@rootabeta9015 Did somebody say 4D Golf? 😄

    • @oberonpanopticon
      @oberonpanopticon หลายเดือนก่อน +5

      @@rootabeta9015actually I’m rotated in time by 4°

    • @monkyyy0
      @monkyyy0 หลายเดือนก่อน +6

      @@rootabeta9015 sounds like a skill issue, I can rotate in the 4th dim just fine

    • @theeyeofomnipotent
      @theeyeofomnipotent หลายเดือนก่อน +3

      ​@@harriehausenman8623 non-intuitive double rotation intensifies*

  • @dansamarco1610
    @dansamarco1610 หลายเดือนก่อน +2

    YESSS, I've waited so long for this!

  • @flamestrider605
    @flamestrider605 หลายเดือนก่อน

    I love that the same thing used for FDM 3D printing bed adhesion, PEI, is being used here as a sort of brain bed adhesion. Really interesting work!

  • @Amipotsophspond
    @Amipotsophspond หลายเดือนก่อน +11

    18:13 don't forget to wrap the wires too, it's how you turn a moderate speaker system in to a high end speaker system.

    • @mduckernz
      @mduckernz หลายเดือนก่อน +2

      The wires look like they might be fiber optic?
      Apart from USB, but that’s error corrected

  • @user-lk1bl2uk8w
    @user-lk1bl2uk8w หลายเดือนก่อน +119

    Ah yes finaly update for the literal game of life😂

    • @Imtoolazytodothis
      @Imtoolazytodothis หลายเดือนก่อน +6

      the devs take a while to update the game

    • @harriehausenman8623
      @harriehausenman8623 หลายเดือนก่อน +1

      Horton Conway would approve this comment. 🙏 R.I.P.

  • @Jim-Stick
    @Jim-Stick หลายเดือนก่อน +1

    There is no way I can explain my feeling of this... This is awesome.

  • @James-ri3fd
    @James-ri3fd หลายเดือนก่อน

    It's funny because a difference between a video game and a live camera feed are the same to this. I bet someone is already leaps ahead doing what you are doing but you are absolutely on the right track.

  • @LinthusOriginal
    @LinthusOriginal หลายเดือนก่อน +25

    2:18 "don't build the tormentor nexus. And thus far we've been making great progress"... wait wait, so, you are making great progress in NOT BUILDING the tormentor nexus, or in building it?

  • @francescoquadrio5824
    @francescoquadrio5824 หลายเดือนก่อน +17

    Once again, casually bringing cutting edge research to TH-cam. Legend

  • @Pyroman328
    @Pyroman328 หลายเดือนก่อน +1

    I thought this video would never come out. Happy to be surprised!

  • @CactusMaractus
    @CactusMaractus 26 วันที่ผ่านมา +1

    you know, when it's all laid out like this, it makes it sound simple

  • @TooMich
    @TooMich หลายเดือนก่อน +10

    0:00 this is your brain. 1:22 this is your brain on [Petri dish]. Say no to [chemistry]”

  • @Argom42
    @Argom42 หลายเดือนก่อน +6

    "This is your brain...and this is your brain on doom. Get the picture?"

    • @nullpoint3346
      @nullpoint3346 หลายเดือนก่อน

      In the words of 4 year old me, "I like the spicy chemical."

  • @water9359
    @water9359 หลายเดือนก่อน +1

    Yessss, finally the part two

  • @Finn_553
    @Finn_553 หลายเดือนก่อน +1

    The Doom neurons are finally back

  • @stereoisstrate
    @stereoisstrate หลายเดือนก่อน +16

    Today is a day to remember. Tomorrow is a day that we will never forget

    • @MaxBrix
      @MaxBrix หลายเดือนก่อน +4

      I can't remember today. It is currently happening. I can't remember tomorrow. It hasn't happened yet. Soon I will forget about yesterday.

    • @Tigershark_3082
      @Tigershark_3082 หลายเดือนก่อน

      ​@@MaxBrix bro forgor 💀

  • @Aarush.A.S
    @Aarush.A.S หลายเดือนก่อน +14

    It came ...... after 3 years

  • @armamentarmedarm1699
    @armamentarmedarm1699 หลายเดือนก่อน +2

    You know now you and your community need to communicate with the manufacturer of Green Dakara to make sure they either never change it, or always keep the current recipe available.

  • @Wild-Goober
    @Wild-Goober หลายเดือนก่อน +3

    Oh? Would you like me to read this?
    It’s a bit dusty, but I’ll do my best. Hold on…
    This is…code! It appears to be for a game of sorts. Based on the sprite sheets I would assume it’s a form of shooter, rare in the times of my creators. They believed games would keep you too tied to this world, and you couldn’t transcend, so they were deemed as taboo. Though a small group of people started illegally buying and selling them to each other. It became known as “The Game Trade”
    Our creators are so fascinating, aren’t they little creature?

    • @Gail-no9py
      @Gail-no9py 13 วันที่ผ่านมา

      Is that from stray?

  • @mr.richard7537
    @mr.richard7537 หลายเดือนก่อน +31

    I was about to cut a chunk of my brain to experiment by myself BUT PART 2 CAME TO LIFE SO NOW I CAN LIVE WITH MY FULL BRAIN!!!

  • @besknighter
    @besknighter หลายเดือนก่อน +22

    Damn, that poster looks AMAZING!

    • @noi0124
      @noi0124 หลายเดือนก่อน

      Thank you!

  • @kylebowles9820
    @kylebowles9820 หลายเดือนก่อน +1

    This is why I love this channel

  • @xplicit2734
    @xplicit2734 หลายเดือนก่อน +1

    Been waiting for this vid!

  • @sasukekun1997
    @sasukekun1997 หลายเดือนก่อน +6

    This is easily my favorite Science channel. Keep up the work, this is amazing content

  • @Striking_dust
    @Striking_dust หลายเดือนก่อน +26

    The brain has everything that makes you eeu! 😂 0:05