Goofing around with Non-Newtonian [Goo] Fluid

[PoshChewnicorn]

...r u a guy or a girl?

[yelowstar08]

you didnt make yours right, its tooooo THICK. Try again......

[siiixten]

.....youre not funny...

[firebolt5191]

i love science its awesome if i could think of a better explanation than that i would but theres not much more to say other to say than awesome

[sfluxi]

thanks so much for the great science videos! cant wait to get home and show them to my 8 yr. old daughter.

[CuMeiLin]

science is also my favorite! i've subscribe in your channel!! love it!! i'm a fan from now on =)

[iRUNatl17]

God, it's vids like this that make me appreciate that I'm an all F ADHD Irish mc who doesn't understand science, let alone anything!

[starrprincess55555]

this is rlly stupid!!!!!

[koolaidman007]

You can pour it down the drain. You just have to run the water while you do it so it breaks the fluid up

[smarterthanthat]

Well, you need to be very careful - if this stuff remains in the folded parts of the pipes, it can clog them. And since most people probably don't know how to do this properly, I just thought it would be safest to advise against it :)

[peanutbutter28443]

I like peanutbutter

[Sonnythemobster]

do you mind if i ask if your foreign. you sound like it a little. great video. you should check out my oobleck video. Whoa, i just realized we used the same brand of cornstarch...maybe we used the same brand of tap water too.

[keith1201]

nerd

[JeanMichelAbrassart]

Very clear explanation.

Keep the good work!

[punkassrocky666]

I loved that I gotta go find some carnstarch water and my sister for a prank. ~peace

[GOAQ]

Doest compressing it kind of heat it up, therefore making Newton kind of correct too? I thought the explanation was a little different but i may be mistaken.

[smarterthanthat]

Newton *was* correct, there are just exceptions to his rule. Most liquids do behave the way he stated, and those who don't have other mechanisms at play.

It's not heat that makes the matter turn to solid, it is the force that is applied to it. It's true that compression creates heat, but it's not what's causing the change. check out the clips with the cornstarch in a vibrating surface to see the effect of the forces (that one's REALLY cool.. it dances!)

[GOAQ]

Thanks for the response.

Bit rusty on the subject.

Yes i watched those vibrating vids a while back. Amazing, the stuffs almost alive!

Another experiment for you:

PVA glue and washing powder is fun for slime. I love experiments and understanding what's going on. Standing on the shoulders of giants though.

Loving your vids. Both channels.

[smarterthanthat]

Someone told me that but I couldn't find references. The only thing I could find is that Ketchup is losing viscosity with relation of time, and I am not too sure if this constitutes a non-Newtonian fluid.. I am still checking, if you find anything, let me know.

[CousinoMacul]

I remember seeing an experiment done with the cornstarch/water mixture on a vibrating table. Cool stuff!

watch?v=1jqKj8pgUi8

[smarterthanthat]

I actually wanted to try it out, I have a back massager that vibrates but it wasn't stable enough.... GREAT demonstration though. I'm still curious to know how this stuff reacts with change of temperature, too :)

[CousinoMacul]

"back" massager: riiiight.

Just kidding. ;-P

[smarterthanthat]

Yeah, that's part of the reason why I ended up not filming it :P

[bLaSsSlAyEr]

Wow~ pretty amazing~

[BorgHub]

cool. I didn't know about this. thanks

[msginca]

I didn't know about this either ... she makes it fun!

Thank You MooeyPoo!!!

[theinquisitor]

Since it behaves as a solid when you apply a lot of force, does that mean you could run across quicksand if you slammed your feet down hard enough?

[smarterthanthat]

Good question, I am not sure. The Mythbusters has an episode about quicksand once, I should re-watch it :) But quicksand is non-newtonian, the only question is "how much" it reacts proportionally to the force applied. Corstarch and water reacts pretty heavily, so you could run through it -- and there are quite a lot of vids showing it (just look up "corn starch and water" or "non newtonian fluid", and catch a bunch :)

[theinquisitor]

Yeah I remember there was an episode of Brainiac where they showed a guy walking across a swimming pool full of custard. The moment he stopped he sunk in and they had a hard time pulling him out. You can find it by searching for: brainiac custard.

[mooeypoo]

Yeah I've seen it too, it's pretty cool. I'm not sure, but I think they said something about it being similar to quicksand.. it's a good question, though.. in need of more information :)