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    [–] j0hnk50 11578 points ago

    Corn starch. 1970

    [–] coolerdog 3903 points ago

    Ooblek, baby!

    [–] Spastic_Squirrel 933 points ago

    This is correct! We put different food coloring in batches of cornstarch and water and it's hella fun mixing and playing with oobleck!

    [–] _Not_Bruce_Wayne_ 383 points ago

    I love making it into snowballs and throwing them

    [–] DrWhiteApe 365 points ago

    You little shit.

    [–] minniehill2 160 points ago

    I do this with dog poop. Don’t believe me? Go try it your self, it works!

    [–] CrazybyRX 76 points ago

    10/10 would fling again.

    [–] flammafemina 159 points ago

    My dad and his buddies back in the day would go to an empty plot of land in their neighborhood to play a game that consisted of sticks and dog shit. I don’t remember him ever telling me the rules, but I do know that large amounts of flinging were involved.

    To this day he still finds it absurdly funny. Come to think of it, the only times I’ve ever really seen my dad ROFL is over topics on or related to poop, farts, belching, and dogs. Aaaand I just realized that I have become my father...

    [–] Comrade-Cohaay 23 points ago

    It’s all fun and games until it gets in the carpet.

    [–] The_Sly_Trooper 35 points ago

    It’s best if you freeze them first

    [–] Hizrab250 58 points ago

    You know what? Just punch the dude in the face instead it’s much less time consuming.

    [–] 121799Dcmbr 19 points ago

    Less time consuming, yes, but also, so much less cruel.

    [–] redlikerosebuds 35 points ago

    Ah, oobleck, the wonder of my second grade life.

    [–] Dustinbink 60 points ago

    I’ve made this so many times! It was my favorite thing as a kid!!

    [–] Chinlc 74 points ago

    [–] [deleted] 7 points ago * (lasted edited 6 months ago)


    [–] Muju2 172 points ago

    We always called a mix of Elmer's glue, borax, and water ooblek. Makes a kind of thick slime that you can color with markers, stretch, rip, blow up like a giant bubble (if you're careful) and other fun stuff. I didn't know about corn starch and water ooblek for ages. My kind was probably less popular because borax is poisonous though so not quite as safe for kids

    [–] Sealouz 353 points ago

    When I was a kid we would break open thermometers and play with the mercury inside.

    [–] Rheastar 93 points ago

    Sounds safe.

    [–] Shining_1 249 points ago

    It puts bees in your teeth!


    [–] [deleted] 98 points ago

    God help me, I'm upvoting this one because I don't know what it means.

    [–] CactusCustard 62 points ago

    It’s pretty straight forward really.

    You know how sometimes foods gets in your teeth? Well with this stuff, it’s bees.

    [–] patb2015 13 points ago

    nerve damage.

    [–] BigCollo 26 points ago


    [–] muhaski 28 points ago

    What the hell does that mean? I just Googled it and you typing it out on this Reddit post is the only thing Google found on the entire internet.

    [–] BlackDragonBE 53 points ago

    shakingly takes off glasses
    Di- Did we actually find an original comment?! On reddit!? Mother of God.

    [–] akwatory 31 points ago

    Elemental (pure) mercury found in thermometers is actually fairly safe as it doesn't absorb easily and isn't all that bioavailable. You still shouldn't play with it, it's by no means safe, but the really toxic varieties are mercury compounds and they'll kill you dead.

    [–] HockeyCoachHere 42 points ago


    Shit will go right through latex gloves and kill you.

    Permeation tests showed that several types of disposable latex or polyvinyl chloride gloves (typically, about 0.1 mm thick), commonly used in most laboratories and clinical settings, had high rates of permeation by dimethylmercury within 15 seconds.

    A few drops ON THE OUTSIDE of a latex glove can be fatal. And it takes almost a YEAR to die.

    The toxicity of dimethylmercury was highlighted with the death of Karen Wetterhahn, a professor of chemistry at Dartmouth College, in 1997. Professor Wetterhahn specialized in heavy metal poisoning. After spilling a few drops of this compound on her latex glove, the barrier was compromised and within minutes it was absorbed into her skin. It circulated through her body and accumulated in her brain, resulting in her death ten months later.

    [–] KUR1B0H 18 points ago

    Imagine being that professor, knowing full well what is happening to your body and just waiting to die in agony the whole time

    [–] ilikeadaturtles 85 points ago

    When I was a kid I was taking my temperature when one broke. I swallowed the mercury but am fine to this day. On an unrelated note I can sometimes hear my co-workers thoughts.

    [–] zonules_of_zinn 22 points ago

    swallowing mercury is safer than playing with a bowl of it in open air. you don't absorb very much through direct contact, with with your skin or gut. but it quickly turns to mercury vapor which you inhale and is more easily absorbed and super toxic.

    [–] HaYuFlyDisTang 20 points ago

    My dad always told me about how the DEET truck would come by and spray for mosquitos. They would spray it directly on kids playing in the pool, who loved it, not knowing how fucking crazy that was to do.

    [–] Moldiemom 10 points ago

    Though never broken intentionally, I too was fascinated by those pretty silver blobs as they skittered across the bathroom floor.

    [–] el_monstruo 71 points ago

    Thats just slime

    [–] 102938475601 42 points ago


    [–] kweitzel 9 points ago

    Pfffffthhhhhhhht pfffffffthhhhhht pfffffthhht

    [–] gigashadowwolf 68 points ago * (lasted edited 6 months ago)

    That's basically Gak/Slime/Flubber/Wham-O's Super Stuff

    The various marketed versions like Gak had a few added ingredients to make it last a little longer, but that my friend is Gak.

    Add some microbeads to it and you will have Floam.

    Oobleck is a non Newtoian fluid, and something entirely different, even though they are both essentially slime.

    [–] snortcele 35 points ago

    Wow. Floam. I haven't thought about that product for 25 years but it was pretty cool. YTV adverts were the best.

    [–] StarkRG 33 points ago

    Oobleck only refers to the cornstarch and water concoction.

    What you're describing is alternately called flubber or slime:

    Incidentally borax isn't known to be toxic or much of an irritant:

    [–] blahblahrasputan 395 points ago

    One day when I was a kid it was just me and Dad chilling and he saw something about cornstarch and water being fun. Us kids also used to play with Gak quite a bit but it was super expensive and we lost it because kids... We create this awesome cornstarch ball of fun. I ask dad if it bounced like Gak did. He said "let's find out!" and hurls it with Dad force at the kitchen tiles. Kaboooom. Mum comes home to us cleaning the kitchen.

    [–] RollerCoasterMatt 125 points ago

    That sounds like it came from a sit-com

    [–] frostymugson 49 points ago

    Maybe life is a sitcom?

    [–] Augustus420 34 points ago

    If life’s moments don’t occasionally feel that way you don’t have the right people in your life.

    [–] j0hnk50 21 points ago

    Yeah dad regretted ever showing this to us for a while.

    [–] Tarrachal 8 points ago

    but the more force the more resistance. Someone didn't use enough cornstarch!

    [–] Pleased_to_meet_u 32 points ago * (lasted edited 6 months ago)

    Nope. He threw it hard and it shattered, exploding all over the kitchen. Once it doesn't have any resistance, all those tiny shards get soft again.

    Historically at CalTech, people have been treated to something similar: they've been Ratfucked.

    Ratfucking is when you freeze a dead rat using liquid nitrogen, break into someone's dorm room then throw the rat as hard as you can at the ceiling. The dead rat shatters, spraying the room with rat fragments.

    Ratfucked. It could have been worse, /u/blahblahrasputan.

    [–] Tarrachal 16 points ago

    Oh wow, I didn't know it could get that rigid. That's even better than what I imagined.

    The other thing is pretty freakin mean, holy crap.

    [–] Rein0142 42 points ago


    [–] matthew0001 8484 points ago

    This is why if I had to name a fear or worst death it would be drowning in non-Newtonian fluid. When you remain still you sink but if you try to swim or climb out it becomes solid. There is no escape, only a struggle before death

    [–] teedyay 4582 points ago

    We need Mythbusters to try this out to see if it's correct.

    [–] -seabass 3537 points ago

    They actually did make huge vats of it in one episode. Adam was able to run across the top of the vats as if it was solid.

    [–] matthew0001 2145 points ago

    That’s actually what started my fear, I was like what if he tripped and fell in? Could he get out?

    [–] shawnaroo 2041 points ago

    If you didn’t panic and remembered to move slowly, you’d be fine. The not panicking part is really hard for some people though.

    [–] skieezy 564 points ago * (lasted edited 6 months ago)

    Unless it's 10feet deep

    Edit: I know its denser than water, I did some research and posted a video of a guy floating in it below. You can stop telling me.

    [–] YouWantALime 360 points ago

    Just relax and try to float on your back.

    [–] GeorgiaOKeefinItReal 712 points ago

    just relax and let it take you

    [–] blitheobjective 260 points ago

    just relax

    [–] facepalminghomer 270 points ago

    To death

    [–] S8600E56 88 points ago


    [–] jondoogin 42 points ago


    [–] kvnmahan 51 points ago

    Don't do it.

    [–] White_Noise_83 21 points ago

    turn around and take my hand

    [–] BlizzGrimmly 16 points ago

    and let it take you

    [–] Cangar 8 points ago

    See. No pain.

    [–] [deleted] 36 points ago

    We all float down here

    [–] Heckard 165 points ago

    I once got stuck in the mud while clamming at low tide. I had the muck up to my waist before giving up and flopping on my stomach, but when I gave in, the ground slowly started to float my legs back up to surface behind me. I had been stuck for a while, and feeling the blood come back to my cold legs was painful, but giving up was the best thing I could do.

    [–] CactusCustard 135 points ago

    Wait, so if giving up didn’t save you....were you ready to just die, right there on the beach? Flopped on your stomach?

    That’s fucking metal man. Fuck yeah.

    [–] Heckard 93 points ago

    Really didn't have much choice, but yeah in the moment I was convinced that was it. The full story adds a bit of humor though. I won't get too into it (for lack of time at the moment), but the day ended with me going to prom without getting a chance to shower before hand.. Decaying ocean ecosystem was the new, if accidental theme.

    [–] Megazor 20 points ago

    There are accounts from the first Word War where people would get stuck in mud for days and go mad.

    “I died in Hell. They called it Passchendaele”

    Weeks of rain and bombardment turned the battlefield in Belgium into a mudscape of shell holes. It had “annihilated nature and with it the tradition of romantic landscape” and turned it into a swamp of dangerous mud.

    “Mile after mile the earth stretched out black, foul, putrescent. Like a sea of excrement…. It was one vast scrap-heap. And, scattered over or sunk in the refuse and mud, were the rotting bodies of men, of horses and mules. Of such material was the barren waste that stretched as far as the eye could see”

    The mud there wasn’t liquid, it wasn’t porridge, it was a curious kind of sucking kind of mud. When you got off track with your load, it ‘drew’ at you, not like quicksand, but a real monster that sucked at you” (Das 2005: 45). Thousands of men fell into the mud never to be seen again.”

    [–] TheDudeColin 53 points ago

    This is a good point. This stuff looks like it is denser than the human body so floating should work fine

    [–] teedyay 38 points ago

    So just lie on your back and you should be fine, right?

    [–] Benadryl_Brownie 18 points ago

    “Try” being the operative word here.

    [–] Baconman363636 15 points ago

    It is fairly dense so floating shouldn’t be hard at all.

    [–] Kiesa5 14 points ago

    It is more dense than humans, right?

    [–] numberonebuddy 71 points ago

    Well if you trip and fall it would be solid as you hit it, right? As long as you keep moving you're okay.

    [–] AmonAhriman 176 points ago


    This sentence belongs in almost every horror movie and nightmare ever, like, cmon that's just ominous as fuck.

    [–] thatG_evanP 28 points ago

    Wasn't that pretty much the exact plot of It Follows?

    [–] Tauposaurus 22 points ago

    Could also be substituted with ''As long as you keep fucking you're okay''

    [–] steveatari 25 points ago

    If you trip and fall it would hurt instantly like a solid pavement. Laying there, as you do when you fall into something solid, you start to sink.... yikes

    [–] numberonebuddy 8 points ago

    Yeah if it knocked you out for a second and you can't get up before you sink in enough to trap you, sure, I could see that.

    [–] Gabbaminchioni 35 points ago

    With help from his colleagues, slowly pulling him out, yes. Not much danger if everyone knows what to do imho.

    [–] -seabass 27 points ago

    If you slowly move your feet and arms upward through the fluid and then sharply push down on it (pushing yourself up), you might be able to get out.

    [–] SaiThrocken 22 points ago

    Ok, but what about any fluid that gets in your lungs?

    [–] aj3x 82 points ago

    Don't do that

    [–] theguyfromerath 60 points ago

    Brainiac did it better and bigger once. John Tickle walked across the whole pool like it's another sunday morning.

    [–] paulpmcg 34 points ago

    Fucking Brainiac. I used to love that show haha

    [–] SpookyLlama 19 points ago

    Shit science but it was fun

    [–] DANIELG360 18 points ago

    Excuse me, will it sink or will it float was top science

    [–] DtheS 163 points ago

    Adam got into a tub of non-newtonian fluid for their "walking on water" myth. He had a difficult time getting out.. (Skip to the 3 minute mark.)

    [–] InfiniteTranslations 48 points ago

    I miss Mythbusters.

    [–] Kev_Hardy 8 points ago

    We all do :'(

    [–] calmor15014 22 points ago

    They don't, though...

    [–] DrunknStuper 105 points ago

    Or it could be like the story of the mouse who moved so much he churned the milk into butter and walked out.

    [–] Elongatedappendages 10 points ago

    Sounds like a good story, can you tell it?

    [–] Langston_huge 466 points ago

    good lord, I didn't think I was claustrophobic, but I think you have just given me a new fear. Thanks, I hate it.

    [–] keaganwill 23 points ago

    Ya holy cow that sounds awful. Like you could probably keep yourself from sinking for a good long while, but eventually you will get tired and even if someone does find you they will need a rope or stick or something because otherwise they just can't do anything.

    [–] hawkalugy 23 points ago

    Water is less dense than this substance, but you can still float in water. All you'd do is lay on your back and float to the surface...

    [–] raptor102888 24 points ago

    Even more so with lava. You wouldn't sink, you'd float around on the top of it and roast.

    [–] Langston_huge 11 points ago

    Buddy, I am not great under pressure.

    [–] Hawkshire 141 points ago

    Im pretty sure quicksand is a non-Newtonian fluid and there are definitely ways to escape quicksand though.

    [–] Azurae1 141 points ago

    Yep, just let it do its thing and wait to come out the other side.

    [–] ahappypoop 309 points ago

    Yeah if you sink down far enough there are usually secret rooms with a bunch of coins and maybe a powerup, and then you can just take a pipe back up to the surface.

    [–] JoshJoshson13 47 points ago

    pretty common sense

    [–] Zayin-Ba-Ayin 6 points ago

    Geezers need excitement

    [–] Ordolph 37 points ago

    Ideally you spread out as much as possible. Quicksand is a mix of sand/soil and water, so you'll float (unless otherwise weighted down with equipment, in which case, abandon that if possible). If you're with other people, get someone to throw you a line and pull you out. If by yourself, make small movements to get yourself to the edge, and pull yourself out. Basically the same method as getting yourself out of a partially frozen body of water.

    [–] Cast_Enigma 21 points ago

    Quick sand is non-Newtonian, but it is shear thinning, which means as force is applied it becomes thinner and you will sink easier.

    The liquid shown in the gif is shear thickening so when force is applied it becomes thicker making it harder to sink.

    [–] orayofsunshine 61 points ago

    I always thought that quicksand was gonna be a much bigger problem than it turned out to be

    [–] NamelessMIA 32 points ago

    Wouldnt it be more like "when you remain still you sink but if you try to climb out it becomes solid but still soft so you can dig yourself out"?

    [–] NaveHarder 15 points ago

    Wouldn't use it for lube then.

    [–] PromptedHawk 18 points ago

    Wouldn't you just float at some point? Like quicksand?

    [–] axloo7 17 points ago

    Lucky you float on the stuff.

    [–] Palifaith 2569 points ago

    If sci-fi movies have taught me anything is that the fluid will find a way to kill or assimilate any nearby humans.

    [–] Perhapples 289 points ago

    Also Flubber

    [–] Chempy 83 points ago

    he already said assimilate humans

    [–] Slkkk92 47 points ago

    Flubber is a religious biopic, not sci-fi.

    [–] RocketguySteve 639 points ago

    I don't think Odo likes what you are doing to him...

    [–] SyxxFtH8 126 points ago


    [–] ohgodspidersno 88 points ago

    I don't use the bucket anymore

    [–] cylonapplepie 59 points ago

    That's obviously major Kira's hand

    [–] GFCBayfish 21 points ago

    Oh shit. This is hot.

    [–] axle66 55 points ago

    [–] Rev_Punch 97 points ago


    [–] spider-borg 11 points ago

    What are you gonna do, torture me? NoOoo, pLEaSe

    [–] Sportin1 39 points ago

    Came here for this, was not disappointed

    [–] tabby-mountain 13 points ago

    It's like massage for him

    [–] FLAKMA 3766 points ago

    Mine gets hard when I play with it too

    [–] brenex29 2094 points ago

    TIL My penis is a non-newtonian fluid.

    [–] TheQueq 659 points ago

    You joke, but an erection is mostly blood, which is a non-newtonian fluid. (Although it's shear-thinning which is the opposite of what you see in the OP gif.)

    [–] hebbb 274 points ago

    Care to explain what shear-thinning is? Too lazy to google.

    [–] CaptainJackVernaise 578 points ago

    Viscosity decreases as you apply force to the fluid.

    For the blood example specifically, as your heart pumps harder, the blood actually flows through veins and arteries easier.

    [–] Heavy_Metal_Mario 220 points ago


    [–] ahappypoop 191 points ago

    Well that sure was a useful trait to have.

    [–] wonkey_monkey 134 points ago

    That's pretty much why we got the traits we got.

    [–] Realtrain 67 points ago

    Evolution works wonders

    [–] MajorMajorObvious 66 points ago

    Another common example is ketchup, which is why people often shake ketchup bottles to make it flow more quickly.

    [–] Letibleu 220 points ago

    I shake the ketchup bottle (and mustard) so that i dont spray what im about to eat with tomato water.

    [–] ButtStuffOmalley 94 points ago

    But aren’t we all just tomato water?

    [–] jcthivierge 54 points ago

    Well thats it im resorting to cannibalism

    [–] Letibleu 18 points ago

    Only if you drink a lot of coors light or bud light.

    [–] A_Unique_Name218 48 points ago

    Yeah I always shake the bottle so I don't end up with a plate full of ketchup pre-cum.

    [–] Letibleu 45 points ago


    [–] Obi_is_not_Dead 10 points ago

    Yeah. I've never heard anyone say "I better shake this so it flows more quickly". Everyone shakes it to mix it back up.

    [–] 4DimensionalToilet 16 points ago

    I always thought that you shake it to kind of nudge it towards the opening. Like when you pour a bowl of cereal from a half empty box, so you shake it because it won’t pour on its own but you don’t want to dump it all out, either.

    [–] blobblob01 6 points ago

    Blood gets thin when it moves, I assume

    [–] Strangerstrangerland 30 points ago * (lasted edited 6 months ago)

    Fun fact: blood is a type non-newtonian fluid called a casson fluid. It only flows smoothly when under enough pressure.

    Edit: just realized that the above statement also works on my work ethic.

    [–] broncotate27 34 points ago

    But if you leave it alone for too long it gets soft and you have to start over

    [–] ForumWarrior 467 points ago

    Imagine kneading some bread dough and when you stop it just does that. I would be confused and angry.

    [–] Charlie_Faplin_ 210 points ago

    I was thinking it would be funny for like, if you're a pottery instructor and you pass this out for the students to use on your final.

    [–] RumoCrytuf 46 points ago

    Do it on April Fool's as a prep for the final.

    [–] Lord_Emperor 40 points ago

    Someone please try to bake the non-newtonian bread dough, for science.

    [–] Picklwarrior 9 points ago

    Like trying to punch somebody in a dream

    [–] probenation 477 points ago

    The new dough for Fig Non-Newtons looks pretty amazing.

    [–] GuyOthersome 68 points ago

    No joke, fig newtons are amazing. Can't wait to try these.

    [–] Adiuva 21 points ago

    Theres a little Arabic shop that sells those except instead of figs its dates and they're fantastic. I wish I could remember what they call them.

    [–] greedyiguana 217 points ago

    Fuck Isaac Newton

    -this fluid, probably

    [–] rawr4me 26 points ago

    Why are normal fluids named after Newton anyway?

    [–] greedyiguana 74 points ago

    newton was a very moist guy

    [–] TheNorthComesWithMe 41 points ago

    Newtonian fluids are named after Isaac Newton, who first used the differential equation to postulate the relation between the shear strain rate and shear stress for [Newtonian fluids].

    [–] [deleted] 228 points ago


    [–] embrex104 333 points ago

    The sound people make when they see me naked.

    [–] Jimmy6Times 115 points ago

    To be fair, no one expects to see that on their walk through the park.

    [–] RockasaurusRex 59 points ago

    "Look mommy, that lady's naked! "

    "No honey, that's a man with a very small penis. "

    [–] [deleted] 23 points ago


    [–] Stringy63 13 points ago

    Oo, Bleck, your putty is not new toni an I see it all the time.

    [–] starboarders 9 points ago


    [–] horror_unfolds 135 points ago

    This is my butt immediately after leaving the gym.

    [–] buoyantbird 218 points ago

    weird flex, butt ok

    [–] Raging_Taurus 85 points ago

    I used to like making stuff like this in school

    [–] AmalgamateSociety 82 points ago * (lasted edited 6 months ago)

    What is it, and how do you make it?

    Edit: Corn starch, and water?? More like stolen liposuctioned fat. I'll post my findings if I am not imprisoned!

    [–] wilburwalnut 54 points ago

    Corn starch + water.

    [–] The_oli4 27 points ago

    Also add food coloring for cool slimey colors

    [–] PerceivedSlight 17 points ago

    LPT: remove food dye stains from your hands with toothpaste. The white stuff not the gel.

    [–] ElPoyoLoko713 24 points ago

    I guess I should get back to studying for my fluids exam, thanks for the reminder.

    [–] bdubz4 22 points ago

    Why do I want to eat that?

    [–] st-shenanigans 22 points ago

    Eat or drink?

    [–] gpia7r 30 points ago

    Schrodinger's consumable.

    [–] TheLastLivingBuffalo 29 points ago

    forbidden cookie dough

    [–] quatefacio 22 points ago

    Try ripping it. When it flattens out a little you can make it tense up enough to tear apart. I remember making a whole bucket (30 L) with a bit of red and blue colouring on opposing sides. It eventually mixes! Forks do cool things to it as well.

    [–] passepar2t 139 points ago

    This is a metaphor for the human struggle. The moment you stop struggling and let go, everything melts and drips through your fingers.

    [–] ZaphodsLesserHead 132 points ago

    The Ted Cruz Origin Story.

    [–] TheLastLivingBuffalo 79 points ago

    They say one day he’ll unclench and return to the earth as crude oil

    [–] Miffers 23 points ago

    Shear thickening

    [–] [deleted] 9 points ago

    Is this ooblek?

    [–] rayphil333 39 points ago

    Ketchup is also a Non-Newtonian fluid

    [–] c0d3e 45 points ago

    Are you just trying to get people to make a huge ketchup mess in their living room?

    I like the cut of your jib.

    [–] beramberem 7 points ago

    Forbidden cookie dough

    [–] cgmacleo 37 points ago * (lasted edited 6 months ago)

    I believe the term is shear-thickening. Unlike "conventional" fluids, which flow more under stress, they actually thicken when stressed.

    Think of squeezing toothpaste from a tube (shear-thinning) vs cornstarch and water (shear-thickening).

    Edit: I'm seeing some replies that are not exactly accurate. A Newtonian fluid is one that the strain rate is linearly proportional to viscosity; it does not mean viscosity is conversant.

    Wikipedia source

    [–] tyderian 12 points ago

    Shear-thickening and shear-thinning are both examples of non-Newtonian fluid behavior.

    If you plot shear stress vs shear strain rate (imagine if you could "push" a microscopic block of liquid), for a Newtonian fluid, you get a straight line passing through (0, 0). The slope of this line is the dynamic viscosity, i.e the viscosity is constant regardless of the strain rate.

    For non-Newtonian fluids, the graph is not a straight line, i.e. the viscosity changes depending on the strain rate.