Why Can Osmium Float In This Liquid?

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The Action Lab

The Action Lab

2 жыл бұрын

I show you how to make the densest material in the world float!
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Looks like Cody's Lab also made a video similar to this where he floats Osmium on ferrofluid. Check it out as well! • Heaviest liquid?

Пікірлер: 858
@saketsharma9741
@saketsharma9741 2 жыл бұрын
It's great to see how this channel evolved from the cliche "hydraulic press content" back in 2016 to well researched infotainment. Respect and love to your work.
@kalyan6969
@kalyan6969 2 жыл бұрын
Man you too started spamming everywhere
@jonathanthomasjohn8348
@jonathanthomasjohn8348 2 жыл бұрын
Hydraulic ***
@saketsharma9741
@saketsharma9741 2 жыл бұрын
@@kalyan6969 Not spamming mate, just expressing thanks to James for making the channel what it is now.
@lucithesick854
@lucithesick854 2 жыл бұрын
@@kalyan6969 What?
@blurrymemes8564
@blurrymemes8564 2 жыл бұрын
U deserve veteran discount
@WouterVerbruggen
@WouterVerbruggen 2 жыл бұрын
This exact phenomonon is used to seperate waste particles by density in a technique called magnetic density separation (MDS). My colleagues here at the University of Twente have been building an MDS machine using a superconducting magnet system, which was recently (i.e.2 weeks ago) first turned on!
@andybaldman
@andybaldman 2 жыл бұрын
By ‘waste particles’ do you mean uranium?
@WouterVerbruggen
@WouterVerbruggen 2 жыл бұрын
@@andybaldman Mostly plastics
@realvatican
@realvatican 2 жыл бұрын
So by changing the electrical current in the magnetic system, you can change the buoyancy force of the carrier fluid on the waste particles and move the threshold of density at which they float or sink? So you could have a river where at one end the magnetic field is weak and only polystyrene can float so you skim it off to collect it, and the other end there is a stronger field and so aluminium can float and you can collect that. Is that the broad idea?
@GuusvanVelthoven
@GuusvanVelthoven 2 жыл бұрын
Have you guys made a video about it? 🙂
@WouterVerbruggen
@WouterVerbruggen 2 жыл бұрын
@@realvatican The bouyancy is proportional to the magnetic field strength. So different densities float at different heights when using a magnet system that makes a field with a strong enough gradient (i.e. how fast it decays). Then you simply make 'scoopes' at different heights inside the ferrofluid flow, corresponding to the density which 'floats' a specific type of particle.
@ProjectPhysX
@ProjectPhysX 2 жыл бұрын
3:35: "you can see this is just a normal liquid" Ferrofluid: _spikes_ _like_ _crazy_ _under_ _intense_ _magnetic_ _field_ like some sort of alien substance
@ooooneeee
@ooooneeee 2 жыл бұрын
IKR
@Temmie852
@Temmie852 2 ай бұрын
*spider-Man 3 theme starts to fade in*
@blueredbrick
@blueredbrick 2 жыл бұрын
The sodium versus osmium density comparison was fascinating.
@cheke_hs
@cheke_hs 2 жыл бұрын
Lithium would’ve been crazier. You would need around 50 times the volume of the osmium bead in order to get a gram of lithium.
@nikhilkoganti
@nikhilkoganti 2 жыл бұрын
How can sodium even be kept solid like that at room temperature? Isn't it super reactive and can only be placed inside a non-reactive liquid?
@_shadow_1
@_shadow_1 2 жыл бұрын
@@nikhilkoganti It is, that sample was completely covered in an oxide layer. If you drop it in water it rapidly reacts/dissolves with this layer, then the actual metal producing a bunch of heat which only serves to heat and melt the metal and make the reaction even quicker. The reason why it isn't reacting in the video is that same oxide layer, which actually slows down the reaction via passivation.
@Metal_Master_YT
@Metal_Master_YT 2 жыл бұрын
try lithium!
@_shadow_1
@_shadow_1 2 жыл бұрын
@@Metal_Master_YT No, I don't think that would be very tasty.
@pastor.neville
@pastor.neville 2 жыл бұрын
In spite of all that we already do with magnetism, your experiments make me reach the conclusion we have only scratched the surface. Cool findings.
@michaelamundson4715
@michaelamundson4715 2 жыл бұрын
Well yeah, you're using a magnet right now to listen to this. There's tons of uses for magnets that are pretty simple and cool. But we can usually improve that with time and money.
@Hecarim420
@Hecarim420 2 жыл бұрын
Right conclusion would be, we (as average person) only scratched the surface what we know compare to some expert in fields also u can extrapolate this even further :v EXPERT in field==>HUMANKIND collectivist knowledge ===> we don't know ANSWERS ===> we don't know even QUESTIONS xD
@Hecarim420
@Hecarim420 2 жыл бұрын
@@michaelamundson4715 exactly :]
@westonding8953
@westonding8953 2 жыл бұрын
@@michaelamundson4715 Yep. We used many magnets to be able to watch this video.
@FerdinandFake
@FerdinandFake 2 жыл бұрын
And magnetism is only one of the fundamental forces, the others we can only observe and barely understand
@timw1971
@timw1971 2 жыл бұрын
There's so much stuff in this video that I've never seen before! Relativistic electrons shrinking the atom? Wow... 🤯
@rosieroti4063
@rosieroti4063 2 жыл бұрын
Imagine now, if you could slow down the electrons, then the size of the atom would increase.
@rayxtime
@rayxtime 2 жыл бұрын
@@rosieroti4063 Physicists can already sort of do this. They're called Rydberg Atoms, and can supposedly reach sizes larger than the width of a human hair. However, they are made by making the electrons more energetic. How exactly this works and differs from relativistic electrons is completely beyond my understanding.
@EPlTHANY
@EPlTHANY 2 жыл бұрын
@@rayxtime Wow, imagine an object you can hold and its only made of a few thousand atoms instead of trillions like normal
@rayxtime
@rayxtime 2 жыл бұрын
@@EPlTHANY That might be difficult given the extreme conditions needed for Rydberg atoms to exist. Your hand won't like being in a vacuum near absolute zero while being scorched by lasers. There is an element called Jumbonium if you need your giant atom fix.
@EPlTHANY
@EPlTHANY 2 жыл бұрын
@@rayxtime Hahahaha it appears I misunderstood the concept
@richardfrenette6648
@richardfrenette6648 2 жыл бұрын
James your videos are awesome! I have a Ph.D. In hydraulics but I never thought about a possible secondary buoyancy due to magnetic fields. Now I am trying to imagine where you could find such a situation in nature. The sun?
@pixelpatter01
@pixelpatter01 2 жыл бұрын
Neutron stars come to mind.
@CosmicWolf77
@CosmicWolf77 2 жыл бұрын
I am thinking the core of the Earth. If the magnetic field is stronger in the core, that would mean that more dense non-magnetic fluids could float atop the less dense ferromagnetic fluids. I know iron usually looses its magnetic properties at higher temperatures, but at high enough pressures it tends to gain them back again. If the magnetic field is strong enough near the core, then things like uranium might be able to float on iron. This might even be able to make a convection system of sorts, where certain materials will begin to sink in the iron as the magnetic field weakens as you approach the poles. Once sunken they would disperse around the core and then reach a point near the equator where it would float back to the iron's surface.
@Vassilinia
@Vassilinia 2 жыл бұрын
@@CosmicWolf77 I'm not too knowledgeable but I heard that movement in the molten part of the core is what gives rise to our magnetic field and the stuff you described sounds like it's part of that process. I can't imagine how amazing it would be to be able to study things like that.
@williamcourtland5945
@williamcourtland5945 2 жыл бұрын
Salt of the sea, add mono-atomic gold particulate and lightning to the mixtures. The effect will cause turbulent seas, and false Magnetic signatures. Yucatan strike disturbed the Gold layer of the Earth's core system: spewing it back out. A sub-atomic particle is of the sixth domain of scale over gravity. The Atom is seventh domain, we are in the middle of the eighth between molecules and asteroids, Planets are of the ninth domain, and the core of the Earth is denser than any atom. The physics of the core of any continuum body of any domain will display such an effect of higher buoyancy. In all other cases: it is a time limited event: as precipitation will cause the magnetic elements to fall out faster. Thus in nature it is within the core of any true body defined by its internal gravitational form. What in scale between molecules and asteroids forms perfectly spherical..? The lack of the example is the issue with defining the eighth domain continuum body. Over a point or center of gravity, gravity^2, round stack of gravity squared, the first spin layer of the fourth, quarks of the fifth, sub-atomic particles is our Universe's limit being a twelfth domain continuum body, our pocket of space time is fifteenth domain of scale. The perfect example of the eighth domain, as with a sixteenth domain relativity scope: is a scale beyond most imagination, and so the eighth dimensional continuum body is erratic. It is the quest for the perfect pie, but when baked in outerspace: a pie would be spherical. Yes: I am waiting for little Elon's baked pies... Hoe much liquid helium can be put in one globual: and at what thickness does it gain a lower current or altered internal directional flow. The moment of a layer between is convective, unlike oil on water which remains at rest but for chemical reactivity. This point would present the perfect eighth dimensional body of helium as it approaches absolute zero. As the eighth domain is expansive of all those before it, as including the domains of the lesser dimensions of our 4th: the laws are deeply formed: but allow a large amount of possibility for measure in stated location, time, and gravitationally relative surroundings.
@williamcourtland5945
@williamcourtland5945 2 жыл бұрын
I would say I have a PhD as a Unified fieldist. But they do not offer the course, nor the respect to a likely posthumously Nobel prize laureate.
@greatPretender79
@greatPretender79 2 жыл бұрын
So it doesn't have the heaviest atoms, but is the most dense because protons/electrons and structure. My brain didn't like that at first
@carultch
@carultch 2 жыл бұрын
Yeah, your brain might instinctively think that Oganesson would be the densest element. The heaviest atom on the periodic table today, that gets named like a noble gas because it is directly below Radon on the periodic table. This atom is so large that scientists expect relativistic effects to govern its properties, and make it not behave like a noble gas if it could exist with enough stability for us to discover its chemical properties.
@grosserboss
@grosserboss 2 жыл бұрын
Well presented topic. I used ferrofluid to seperate non magnetic metals by their desinty as you get a floating gradient in the liquid. It works quite well and finds application in slag processing after waste incineration. After incineration, mineral slag and metals remain. Mechanical and magnetic separation leaves non-magnetic metals, which are very difficult (except aluminium) to separate and at the same time have a high value. But the hole process is pretty dirty.
@jimi02468
@jimi02468 2 жыл бұрын
That explanation why osmium is so dense was cool. I've never seen it explained that way.
@ibay7734
@ibay7734 2 жыл бұрын
The same relativistic effects are why gold is so shiny, and mercury is a liquid
@jimi02468
@jimi02468 2 жыл бұрын
@@ibay7734 Could the softness of gold be related to the fact that it is only one proton away from a liquid metal?
@dmitrynuzhdin
@dmitrynuzhdin 2 жыл бұрын
Unfortunately, it is completely wrong. Electrons are quantum objects and they don't fly in orbits. They don't have any speed or trajectory. So you can not talk about atoms and electrons like this. If you want to learn more -- you can find the "Uncertainty principle" explanation.
@nikkiofthevalley
@nikkiofthevalley Жыл бұрын
​@@dmitrynuzhdin Then why is osmium's density so much larger than it should be for its atomic mass? You can't just say that something in science is wrong without proposing a new explanation.
@dmitrynuzhdin
@dmitrynuzhdin Жыл бұрын
@@nikkiofthevalley it is dense because it has both small radius and most dense crystal structure type. Why? These topics are both very complex and there is no simple and correct explanation for that. But I can guarantee you that both topics require understanding of quantum mechanics. And if you will spend just an hour on a very brief and high level introduction to QM (I am sure that there should be a decent video on YT) you will see that his explanation makes zero sense.
@uwepelz
@uwepelz 2 жыл бұрын
I love how you come up with fascinating information and science facts which I have not thought too much about in my past 15 years of doing science in chemistry and physics myself! Love your videos!
@XJWill1
@XJWill1 2 жыл бұрын
Good thing for that experiment that osmium is not ferromagnetic (it is paramagnetic).
@jetbonkers7293
@jetbonkers7293 2 жыл бұрын
Some of the things he explains are so confusing yet make perfect sense
@narutouzigamer3827
@narutouzigamer3827 2 жыл бұрын
Thanks man always learning something new and good from you in a easy manner
@Iguoulasse
@Iguoulasse 2 жыл бұрын
You realized Osmium's dream : being able to float :D ! Awesome video, fascinating content :o
@carultch
@carultch 2 жыл бұрын
I thought Osmium's dream was to participate in a replica of the Cavendish experiment. That's what I'd use it for.
@grandsonofsevenless4285
@grandsonofsevenless4285 Жыл бұрын
@@carultch lol
@deweyharmon4666
@deweyharmon4666 2 жыл бұрын
Absolutely awesome friend! Thank you for sharing your knowledge!!
@pixelpatter01
@pixelpatter01 2 жыл бұрын
Thanks for the interesting video. The ability to vary the force on the ferrofluid would allow you to sort solids by density. For example gold could be sorted by it's weight from ore. Pulverized trash could be separated by density into glass, metal and water based materials. All theoretical of course with lots of problems to solve such as cleaning off the ferrofluid afterwards.
@cezarcatalin1406
@cezarcatalin1406 2 жыл бұрын
Ferrofluid is just oil and iron oxide. Very easy to clean as you only need some light hydrocarbons (toluene) to wash it from the surface following by distillation to recover the washing solvents.
@danburch9989
@danburch9989 2 жыл бұрын
Actually, it's not theoretical at all. They use magnetism to pull ferrous materials from mixed trash. Water to sort things that float. Columns of high velocity air to sort lighter materials and other physical, chemical processes.
@pixelpatter01
@pixelpatter01 2 жыл бұрын
@@danburch9989 Yes I agree it works well for mixed trash and for pulling ferrous from shredded cars and mixed scrap. I was thinking more about shredded circuit boards, electronics and the like. How do they separate lead, tin, solder, copper, gold, brass and aluminum? Even a small grain of copper could be made to 'float' more than a grain of lead solder or lead glass. I was imagining a fluid where the material was stirred into the ferro fluid and after the lightest materials floated up they were drawn off mechanically and the field increased to separate increasing dense solids or even liquids in a continuous process. The ideal would be to dump the stuff in one end and pull it out the other end of a machine all sorted by density. I'm just thinking out loud here, not saying a lot of ingenious things aren't already being done.
@danburch9989
@danburch9989 2 жыл бұрын
​@@pixelpatter01 Yes, sorting by density could work. Almost like separating trash to determine its DNA makeup.
@garethbaus5471
@garethbaus5471 2 жыл бұрын
Several techniques like panning can already be used to sort certain things by density with easier cleanup.
@prisonlessungabunga4329
@prisonlessungabunga4329 2 жыл бұрын
Next thing to float on this liquid : neutron star
@SpydersByte
@SpydersByte 2 жыл бұрын
2:18 that looks like a lot of fun, wish it was easy to get that much ferrofluid, would love to try it :D
@jonathanb6371
@jonathanb6371 2 жыл бұрын
That's amazing. Always learn next level science from this channel!
@deepanshudevtala3235
@deepanshudevtala3235 2 жыл бұрын
This channel is one of my favorite yt channels. I simply love the channel
@cydragon2.099
@cydragon2.099 2 жыл бұрын
The more we know of magnetism the more of a possibility of hoverboards (i have seen hacksmith where they allowed a guy to make a hoverboard)
@dianedoncheski2302
@dianedoncheski2302 2 жыл бұрын
Get out your semiconductors for that hoverboard Cy!
@westonding8953
@westonding8953 2 жыл бұрын
How about Earnshaw’s Theorem?
@Lala-artart
@Lala-artart 2 жыл бұрын
Man idk how you even thought of that. That’s really cool. I never even thought the extra magnetic force could act for the secondary buoyancy
@westonding8953
@westonding8953 2 жыл бұрын
Makes me think of all the properties of elements and compounds that we have yet to explore!
@purplestarinferno5119
@purplestarinferno5119 2 жыл бұрын
tbh we kind of know all of them any new element to be found would be extremely radioactive and would disintegrate in nanoseconds unless there is a theoretical element yet to be found or synthesized in the periodic table (which there prob isn't) we even found oganesson which was called un un octium before we found it (they predicted its existence before creating it)
@rayxtime
@rayxtime 2 жыл бұрын
@@purplestarinferno5119 There's that theoretical "island of stability" much further down the periodic table, where superheavy elements might exist for useful amounts of time. Unfortunately scientists aren't even close to creating them. Current methods for element synthesis are at their limit.
@westonding8953
@westonding8953 2 жыл бұрын
@@rayxtime Are we speculating that they created in supernovae?
@westonding8953
@westonding8953 2 жыл бұрын
@@purplestarinferno5119 Not necessarily. Has anyone considered putting different elements in ferrofluid? Dr. Orgill just did that for osmium. Are there new alloys that we can create? Can we make alloys with alkali metals? Can you find a way to make sodium not react with water? Some substances are relatively stable but react with a shock wave. What if we pressurize them under hydrogen gas etc?
@westonding8953
@westonding8953 2 жыл бұрын
@@purplestarinferno5119 Here is an example, KNO3 is used for gunpowder, NaNO3 is not a perfect substitute because it is hygroscopic. K and Na are both alkali metals but why does sodium result in a more hygroscopic compound?
@0neIntangible
@0neIntangible 2 жыл бұрын
Ferrofluid is fascinating especially when used with magnets like here...I would like to play with some...except for the messy parts, with the stuff getting on everything and a lot of cleanup afterwards. Is there a way to add a binding agent to ferrofluid to help it not get everywhere on everything?
@jonesmatthew7511
@jonesmatthew7511 Жыл бұрын
Thank you for the epiphany! Haven't had one in a while! Great set up, I think this could be used in a variety of applications!
@StuffandThings_
@StuffandThings_ 2 жыл бұрын
This was actually a great demonstration of how buoyancy is related to force. I wonder if there's any practical applications to this.
@StephenSternGoth
@StephenSternGoth 2 жыл бұрын
Loved the density comparison so cool
@Justmebeingme37
@Justmebeingme37 2 жыл бұрын
Was great you explained why it was so dense before the experiment. Thanks for sharing
@bubaks2
@bubaks2 2 жыл бұрын
This video is so good. Seriously thanks man ur content is ❤️❤️❤️
@athishathish1692
@athishathish1692 2 жыл бұрын
Holy cow.! I love this consistency! Keep rocking ⚡
@sparkplayez
@sparkplayez 2 жыл бұрын
Third
@desimujahid
@desimujahid 2 жыл бұрын
@@sparkplayez Zeroth
@sparkplayez
@sparkplayez 2 жыл бұрын
@@desimujahid no I’m talking about him
@rogeriocosta1035
@rogeriocosta1035 2 жыл бұрын
Well done! If that ideia is original, this effect will be called The Action Lab effect, like they did with the Steve Mould effect in the case of the chain falling from the beaker.
@westonding8953
@westonding8953 2 жыл бұрын
Why not the Orgill effect?
@Alice-ui9oy
@Alice-ui9oy 2 жыл бұрын
I love the mad scientist experiments, but am tentatively holding out for the day that James finds his way to a truly revolutionary contribution to humanity. Im excited to perhaps be here watching when it happens.
@SergeantExtreme
@SergeantExtreme 2 жыл бұрын
Reminds me of how Thunderf00t got his PhD. He was messing around, and accidentally discovered why sodium explodes when submerged in water.
@Dudleymiddleton
@Dudleymiddleton 2 жыл бұрын
Didn't realise there was a metal twice as dense as lead!
@TipOfTheSauce
@TipOfTheSauce 2 жыл бұрын
Tungsten is 1.7 times more dense then lead, and it is completely harmless. You can actually buy cubes of it online for the lolz…
@Solrex_the_Sun_King
@Solrex_the_Sun_King 2 жыл бұрын
This makes me want to make an osminium golem homebrew for D&D. Should I make it a terminator-like enemy or a playable race?
@SireSquish
@SireSquish 2 жыл бұрын
This seems like an effect that might have a useful application in separating various materials.
@justinlong5892
@justinlong5892 2 жыл бұрын
Very cool. This expanded my understanding of buoyancy.
@tomsterbg8130
@tomsterbg8130 2 жыл бұрын
Even though this is very simple I love the creativity behind it
@stephenhalliwell4720
@stephenhalliwell4720 2 жыл бұрын
A similar (but not really related) affect appears when you blow air up through sand and heavier objects are lifted to the surface.
@justayoutuber1906
@justayoutuber1906 2 жыл бұрын
I thought that makes heavy objects drop down through the sand and ping pong ball rise up
@jestempies
@jestempies 2 жыл бұрын
Really cool idea for a video, I've learned something new today :)
@PhilFogle
@PhilFogle Жыл бұрын
nice demo!
@Num6er47
@Num6er47 2 жыл бұрын
I saw this on Cody's lab a while back. A fascinating concept. It made me curious if it was possible to use this to separate non ferrous materials according to density. I don't see why not as long as you had a way to adjust the strength of the magnetic field like with an electro magnet or increasing the distance between. Would be great for the recycling industry.
@LeoStaley
@LeoStaley 2 жыл бұрын
Cody doesn't have any science education, and is does lots of stupid things. He had a video where he tasted mercury, claiming it wouldn't hurt him (it is now taken down) and one where he nearly passed out while taking huge breaths from heavy gasses. He's irresponsible and inaccurate.
@croissantj9588
@croissantj9588 2 жыл бұрын
@@LeoStaley cody isn't wrong, metallic Mercury won't harm you if you touch it as long as it doesn't get into your blood.
@LeoStaley
@LeoStaley 2 жыл бұрын
@@croissantj9588 when you taste a metal, your taste buds absorb the metal, and send signals about it. If you've tasted it, you've absorbed some of it into your bloodstream.
@digifomation
@digifomation 2 жыл бұрын
​@@LeoStaley mercury is not easily converted into salt. they used to fill cavity in teeth with as an amalgam and amalgam contain mercurity, its still used to these day.
@juslitor
@juslitor 2 жыл бұрын
@@croissantj9588 organic mercury is the killer. Metallic mercury wont kill you as long as you dont drink enough to rupture your innards.
@lancetoi
@lancetoi 2 жыл бұрын
This one blew my mind 😮
@IIIPURP73
@IIIPURP73 2 жыл бұрын
I learn more from this guy than my science teacher
@marklonergan3898
@marklonergan3898 2 жыл бұрын
I really thought this was going to be a surface tension demonstration. How wrong i was!
@christopherdelaney6263
@christopherdelaney6263 Жыл бұрын
Much love from the PNW!
@jopahui2001
@jopahui2001 2 жыл бұрын
This just shows how strong is magnetic force compared to gravity.
@Alhabeeb43
@Alhabeeb43 2 жыл бұрын
Gravity is a magnetic force
@desimujahid
@desimujahid 2 жыл бұрын
@@Alhabeeb43 Isn't Magnetic force part of the Electromagnetic force? Asking for a friend
@PlootoOW
@PlootoOW 2 жыл бұрын
@@Alhabeeb43 Gravity and magnetism are completely independent forces.
@sourovpaul6081
@sourovpaul6081 2 жыл бұрын
@@Alhabeeb43 gravity is not even a force 🤣
@Alhabeeb43
@Alhabeeb43 2 жыл бұрын
@@sourovpaul6081 try saying that while jumping from some stairs
@madsillywilly4408
@madsillywilly4408 2 жыл бұрын
Wow! Never thought of that! Super cool! Was this known before?
@danailminchev4685
@danailminchev4685 2 жыл бұрын
Dear Sir, You and your experiments are beyond awesome. Thank You so much. Is it possible to make a cheap imitation of ferrofluid at home?
@mechadense
@mechadense Жыл бұрын
Awesome demonstration of a totally unexpected phenomenon. You can win bets with this.
@_NeonDragon_
@_NeonDragon_ 2 жыл бұрын
This video was awesome except for the fact that it was near impossible to see the osmium hall in the ferrofluid. Bauble better lighting would help? Would love to see this interaction in full effect
@eleventhchimp
@eleventhchimp Жыл бұрын
This is interesting. It would be cool if you could do it the other way around and get a low density item to ”float” to the bottom by putting a magnet above the ferrofluid.
@RegebroRepairs
@RegebroRepairs 2 жыл бұрын
Good proof that buoyancy depends on a downward force.
@frankrowland2884
@frankrowland2884 2 жыл бұрын
Where do you get that ideas every time i watch your videos it's gets good,fun and at the same time i learn something new
@HeyMJ.
@HeyMJ. 2 жыл бұрын
🔥 Excellent episode. Looking forward to add’l heavy metal experimentation! 🎸🥁🎤🎧
@sebastiand152
@sebastiand152 2 жыл бұрын
Great idea!
@user-uj5gh3xy7n
@user-uj5gh3xy7n Жыл бұрын
i think a way to understand this is that the ferrofluid weighs more when there is a magnet because of the ferrite in it. So the weight of the displaced ferrofluid is greater than the weight of the osmium, so it floats, because of buoyancy. Basically, something like the density of ferrofluid increases next to a magnet.
@BlackWolf42-
@BlackWolf42- 2 жыл бұрын
If it floating in the center of the pan of ferrofluid because it's fallen into the meniscus - or is it a side effect of being in the center of the magnet/dish?
@dianedoncheski2302
@dianedoncheski2302 2 жыл бұрын
Good question E!
@Rubin_Rubinia
@Rubin_Rubinia 2 жыл бұрын
I love magnets! They'll never stop fascinating me!
@cslloyd1
@cslloyd1 2 жыл бұрын
I find them attractive, too
@Rubin_Rubinia
@Rubin_Rubinia 2 жыл бұрын
@@cslloyd1 That's a good one XD
@westonding8953
@westonding8953 2 жыл бұрын
If I added more I would polarize this post.
@justayoutuber1906
@justayoutuber1906 2 жыл бұрын
you're attracted to them
@sealpiercing8476
@sealpiercing8476 2 жыл бұрын
Woah. So if you varied the strength of the magnetic field, or had a gradient, you could sort denser materials than are possible with gravity alone, in an adjustable way, also which could maybe be adjusted in real time and maybe also not dependent on gravity at all. I'll have to think about that.
@daviddavids2884
@daviddavids2884 2 жыл бұрын
next time, spend more time thinking and Less time typing.!!!!
@yanethernandez7538
@yanethernandez7538 2 жыл бұрын
This is awsome , I like Action lab
@alllove1754
@alllove1754 2 жыл бұрын
This will probably come in handy one day
@goodness6664
@goodness6664 2 жыл бұрын
Wonder if there is a way to do this with water, somehow put more pressure from the bottom to make things float better (besides increasing salinity obviously), maybe even make a rock float?
@theCidisIn
@theCidisIn 2 жыл бұрын
Yooo duuude! That was so awesome the way it looked pouring that ferofluid onto that scary giant ass magnet.
@Malidictus
@Malidictus 2 жыл бұрын
Clever. Use magnetism to add "weight" to the ferrofluid, thus causing it to exert more buoyant force. Neat! :)
@Life_42
@Life_42 2 жыл бұрын
This is amazing!
@panda1ap653
@panda1ap653 2 жыл бұрын
I am sooo happy that you have uploaded a video so similar to a question I had for a while. Does atmospheric pressure and gravity affect oil floating on water?. For example can water and oil be mixed in space? Can density be affected some how
@panda1ap653
@panda1ap653 2 жыл бұрын
Im currently learning about pressure in my physics class but my teacher doesnt know to answer to my various relevant questions
@chillmint1726
@chillmint1726 2 жыл бұрын
He made a video of mixing oil with water in vaccum. Vaccum can be a simulation to space. About oil and atmospheric pressure, I think the atmospheric pressure and buoyant force from the water will cancel each other out resulting in floating oil drop.
@KakashiBallZ
@KakashiBallZ 2 жыл бұрын
This was awesome.
@N8570E
@N8570E Жыл бұрын
Thank you for an entertaining video, but I have a question. What do you do with you chemicals afterwards? May you and yours stay well and prosper. Terry
@HugoHugunin
@HugoHugunin 2 жыл бұрын
I noticed the PNW T-shirt, were you visiting recently? I'm in Oregon and I love it here.
@MammaOVlogs
@MammaOVlogs 2 жыл бұрын
Well loved it very interesting sounds like it was a lot of fun :-)
@VeteranVandal
@VeteranVandal 2 жыл бұрын
Huh. That was something I never heard about actually. Good job action lab.
@FlorianLinscheid
@FlorianLinscheid 2 жыл бұрын
How do you even come up with those ideas? That's really cool
@Ilikecheese_toin
@Ilikecheese_toin 2 жыл бұрын
Your vid is so cool its make me know more science good vid I impressed when i look your vid. And btw your vid I always watch is neutron experiment
@Vinlaell
@Vinlaell Жыл бұрын
I just had an idea we all know that a good ferrofluid works because of the iron particles are properly suspended evenly throughout the liquid but what if you apply a magnet that is super powerful would it forcefully pull the iron to the magnet seperating from the fluid?
@dhananjaysawant4646
@dhananjaysawant4646 2 жыл бұрын
If you want an entirely safe super dense metal, choose iridium, the second most dense thing
@michalchik
@michalchik Жыл бұрын
This was a clever idea, I hadn't thought of it. There's potentially a whole lot of uses for electronically controllable buoyancy. Makes me wonder power ferrofluid behaves in an alternating magnetic field.
@priyanshrawat442
@priyanshrawat442 2 жыл бұрын
This is amazing
@bagnon
@bagnon 2 жыл бұрын
Could this principle be used for transportation where there are coils that magnetize the Ferro fluid right above a floating object and it gets pushed to where it starts to sink?
@thestragequack3598
@thestragequack3598 2 жыл бұрын
Ferrofluid is so cool.🖤
@ask_fornature4012
@ask_fornature4012 2 жыл бұрын
This was awesome
@calcaware
@calcaware 2 жыл бұрын
This is a good one. Nobody naturally thinks of additional buoyant forces.
@bigal1312
@bigal1312 2 жыл бұрын
What an amazing idea! ☺️
@daviddavids2884
@daviddavids2884 2 жыл бұрын
amazing HOW is the 'idea' amazing.??? if you had said 'demonstration' instead of 'idea' i would not have felt compelled to say this.
@eugenerodriguezsolis7534
@eugenerodriguezsolis7534 2 жыл бұрын
Well done
@marcusd4366
@marcusd4366 2 жыл бұрын
Wow. Amazing intelligence and smarts.
@davidheckman6563
@davidheckman6563 2 жыл бұрын
I found it interesting that it not only floated, but it also found the center. Every time it was displaced from the center, it would return. I'm wondering if that is also do to the magnetic forces pushing the fluid down so hard that it is also pushing against the sides. This would create a sideways pressure that would cancel itself out in its true pressurized center to the sides. Since it is still partially submerged even when floating, that pressure forced it to the pressurized center every time. Anyone have thoughts or able to verify my theory for sure? It would be interesting to see this in true to form shapes. That looked like a thinner aluminum container that could have had flaws easily placed in its sides just from handling. A hard plastic or 3-D Printed form of a couple standard known centers would be an interesting experiment, as well as some odd shaped forms to see what happens. However, I believe the ball would also need to be a perfect sphere to have the pressure equally act upon it. Perhaps using a standard steel ball bearing would suffice. Not the same metal, but it would be a different theory & experiment anyway.
@skywz
@skywz 2 жыл бұрын
You could also do this with a strong enough surface tension.
@r0cketplumber
@r0cketplumber 2 жыл бұрын
To improve contrast, when working with ferrofluid you might want to use a black background instead of white. the interesting stuff is all black on gray and hard to see.
@joejoemyo
@joejoemyo Жыл бұрын
I love how he just casually mentions that osmium is dense because the electrons MOVE SO FAST THEY GET HEAVIER and shrink each atom
@sunvetr
@sunvetr Жыл бұрын
I love how he said "wow it's so cool how SOMEHOW the osmium is still floating on it" right after he had just given a 2 minute speech on how it works.
@Leverguns50
@Leverguns50 2 жыл бұрын
That was pretty interesting
@CyricRO
@CyricRO Жыл бұрын
It's cool to see this.
@colinboice
@colinboice 2 жыл бұрын
I would like to see a demonstration with buoyancy acting in a non vertical direction, I think there is a common misconception that buoyancy can only be due to gravity/ up and down
@Luca_1108
@Luca_1108 2 жыл бұрын
Very cool!👍
@gonzaloarreche
@gonzaloarreche 2 жыл бұрын
1:02 lol I thought he wasn't going to circle it and was like "am I supposed to know this?"
@gagaplex
@gagaplex Жыл бұрын
While this was about osmium, I'm mostly amazed by the shapes and patterns the magnetized ferro-fluid makes. It's like something from a nanobot Grey Goo nightmare scenario or something.
@bryanlaygond
@bryanlaygond 2 жыл бұрын
Just to be clear, so what really is happening is that the fluid is more magnetic than osmium right? Therefore the fluid is being pulled down and that in turn pushes up the osmium pebble?
@aidanmatthewgalea7761
@aidanmatthewgalea7761 2 жыл бұрын
like a small person among a crowd trying to leave through a door, or a ping-pong ball on a hairdryer's air current
@saidchammas
@saidchammas 2 жыл бұрын
This is really cool
@tmwolf100
@tmwolf100 2 жыл бұрын
Learn new things every day
@eliscerebralrecyclingbin7812
@eliscerebralrecyclingbin7812 Жыл бұрын
Cool thanks
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