Scientific Tuesdays - How to make Magnetic Fluid (ferro fluid)
Get the shirts: bit.ly In this episode we will show you how to create your own ferro fluid using oil, toner and a magnet. Shopping List: 1. MICR Toner (Office Supply Store) 2. Rare Earth Magnet (Hardware store) 3. Vegetable Oil (Grocery Store) Make sure you are subscribed for more Scientific Tuesdays! Dylan's Facebook: facebook.com __ Music By: Dj 700Degrees Link: www.youtube.com
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Ferrofluid: How it works (by Michael Flynn)
www.FunExhibits.com Ferrofluid is an assemblage of magnetic particles engineered at the nanoscale, 100 times smaller than the wavelength visible light. Although too small to be imaged with microscopes, nano-products harness surprising properties from nanoscale physics for use in the macroscale world. www.FunExhibits.com
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Scientific Tuesdays - Ferro Fluid Tests - Magnetic Liquid
Ferrofluid is a liquid that reacts to a magnetic field. It's usually made from a mixture of oil and tiny iron particles. Today we're going to look at 4 different demonstrations involving ferrofluid and powerful neodymium magnets. Make sure you are subscribed for more Scientific Tuesdays! Website: householdhacker.com Facebook facebook.com Special thanks for Revision 3 for letting us use their awesome studio!
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Dynamic sculpture with ferrofluid
Sachiko Kodama's "Morpho Tower": "This work is conceptualized as an "organic tower." The magnetic fluid, with a smooth black surface that seems to draw you in, reaches the top of the tower, spreading like a fractal, defying gravity. The form and texture of the physical surface of the tower constantly alter between the hard iron core and the changing form of soft fluid. This is a dynamic sculpture, with reactable fluid surface".
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Ferrofluid Sculpture
Ferrofluid Sculpture A steel sculpture with changing magnetisation is coated with ferrofluid. The fluid is pulled in the direction of increasing flux density and forms peaks, which become smaller in higher flux density. At an accumulation of fluid at ridges, the flux density at the surface decreases. The flow and the distribution of the fluid can be observed at several characteristic locations. The centre part of the sculpture is a conical spiral that has one, three or even more tracks of peaks depending on the magnetisation. Further tracks are built at the crown and at the ridge of the central hexagon. The crown has horizontal cavities that discontinue the gradient of flux density. On the way to the top the fluid is accumulated until the cavities are bridged by fountains. On the way back the fluid falls in large drops over the gap. The horizontal cavity at the ridge of the hexagon remains filled at the retreat. With increasing magnetisation the fluid at the ridge rises steeply as the flux density on the hexagon is slightly higher than at the other side of the cavity. One can also just enjoy looking at the movements of the object. ------------------------ Ferrofluid Figur Eine Stahlplastik wird bei zunehmender Magnetisierung von magnetischer Flüssigkeit überzogen. Die Flüssigkeit wird dabei jeweils in Richtung der zunehmenden Feldstärke gezogen und bildet dabei Spitzen, die umso kleiner sind, je höher die Feldstärke ist. Bei der Anhäufung von Flüssigkeit an Kanten nimmt <b>...</b>
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Ferrofluid demonstration
Dropping ferrofluid onto a tapered bolt with a strong neodymium magnet underneath.
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www.czferro.com The cz ferrofluid nano drop generation 2 is ready for purchase! Flat surface bottles 60-120 ml. Featuring in order of appearance cz ferrofluid Squared - cz ferrofluid Klock - cz ferrofluid Motion. Check out the site for more details. Music By: SoundTakT
Ferrofluid on the track of a Meatgrinder
Ferrofluid is attracted by magnetic flux. It flows with the gradient. A track with continuously increasing flux density is formed by a conical screw. Such a high pitch, conical steel-screw is difficult to make. It is much easier to just take it form discarded equipment, like in this case from a meatgrinder. A meatgrinder core is tested in the field of an adjustable DC Magnet. The flux lines emerging from track at the ridge of the thread shall be of increasing density from bottom to top. To visualise the flux density on the track, identical steel spheres are attached at high flux. With decreasing flux they will fall down when at their location the flux density falls under the critical value. With continuously decreasing flux they shall fall down in sequence from bottom to top. The handmade screw shows a suitable increasing line with some distortions. The final test shows that the meatgrinder screw is capable to levitate the ferrofluid on the track at the ridge of the thread from the basin to its top. ---------------------------- Mit Ferrofluid auf der Spur des Fleischwolfs Ferrofluid wird vom Magnetfeld angezogen. Es fließt in Richtung wachsender Feldstärke. Eine Spur mit kontinuierlich wachsender Feldstärke ergibt sich auf dem Gewinde einer konischen Schraube, nur ist eine konische Stahlschraube mit hoher Steigung etwas schwierig herzustellen. Einfacher ist es, ein bestehendes Teil aus einem ausrangiertem Gerät zu nehmen, hier von einem Fleischwolf. Die Transportschnecke <b>...</b>
Ferrofluid of Seventeen Evergreen
Ferrofluid raw footage from the music video for Seventeen Evergreen, "Haven't Been Yourself (Lucky Number Music)", Directed by Encyclopedia Pictura. A ferrofluid is a liquid that becomes strongly polarised in the presence of a magnetic field. Ferrofluids are composed of nanoscale ferromagnetic particles suspended in a carrier fluid, usually an organic solvent or water. The ferromagnetic nano-particles are coated with a surfactant to prevent their agglomeration (due to van der Waals and magnetic forces). Although the name suggests otherwise, ferrofluids do not display ferromagnetism, since they do not retain magnetisation in the absence of an externally-applied field. In fact, ferrofluids display paramagnetism, and are often referred as being "superparamagnetic" due to their large magnetic susceptibility. Truly ferromagnetic fluids are difficult to create at present, requiring high temperatures and electromagnetic levitation.
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Doing SCIENCE! with ferrofluid
A ferrofluid is a liquid which becomes strongly magnetized in the presence of a magnetic field and looks AWESOME! This vid is just me having fun with science. Music courtesy of Blake Robinson Remake of the Gears of War theme played on the piano www.youtube.com dummyworld.net www.mylespower.co.uk www.twitter.com/#!/powerm1985 www.facebook.com
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Ferrofluid 4 inch ring magnet
Ferrofluid reacting to the introduction of a 4 inch ring neodymium magnet from above. A plate of 1/16 " aluminum with 1/8" holes drilled into it covers the tray with the fluid in it.
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How to make Ferrofluid
Here's a relatively simple method to make ferrofluid, a very interesting liquid that responds to magnetic fields. You'll need the following chemicals: 20mL 1.5M FeCl3 solution 10mL 1.5M FeCl2 solution 150mL Household Ammonia 5mL Oleic Acid 100mL Kerosene My iron chlorides probably weren't precisely as listed above, because I made them by dissolving iron in HCl (see my other video here: www.youtube.com ). What you want to shoot for is a 2:1 ratio of FeCl3:FeCl2. Ferrofluids consist of 3 parts: a magnetically responsive material, a surfactant, and a carrier fluid. The surfactant serves to suspend the magnetic material and keep it from clumping together. Here, our material is magnetite, the surfactant is oleic acid, and the carrier fluid is kerosene. First, we will make the magnetically active material. Mix the two iron chlorides together, and pour the mixture into 150mL of household ammonia solution. This initiates a complex reaction that produces tiny particles of magnetite, Fe3O4, in ammonium chloride solution. Next, we will coat the material in the surfactant. Take the solution outside or in a fume hood, and heat it to near boiling. Then add 5mL of oleic acid with lots of stirring, and continue to heat until the smell of ammonia disappears. This usually takes about an hour - swirl the solution often to keep the magnetite suspended and to let the oleic acid attach to it completely. The acid initially reacts with the ammonia to form ammonium oleate, a slightly soluble soap <b>...</b>
Ferrofluid dance - strange stuff
This black magnetic fluid makes strange spikes when you bring a magnet near. See tesladownunder.com
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ferrofluid music CC licensed. 3x time lapse camera: canon rebel xt lens: sigma 105mm f2.8 macro
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Ferrofluid Demo 1
This is a test video showing some of the ferromagnetic sculptures that will be displayed at the Johns Hopkins 2011 Physics Fair.
Sachiko Kodama: When I Met This Material
While most visual artists prefer traditional materials such as oil, acrylic, bronze and ceramic, Tokyo-based SACHIKO KODAMA prefers FERROFLUIDS. Composed of magnetic nanoparticles, ferrofluids often contain high levels of iron and, as such, are deeply affected by and responsive to the presence of magnetic fields. While the NASA-developed ferrofluids are being used increasingly for commercial applications - on everything from compact disks to weight-responsive car suspension systems - Kodama is revolutionary in applying their widely dynamic qualities to the fine arts arena. Using a computer to manipulate electro-magnetic fields in the sculptures, Kodama coerces her stunning ferrfluid pieces to grow and disintegrate, flower and shed, and constantly reinvent themselves without the aid of animatronics or video wizardry.
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Ferrofluid Basics
This is the first video in our series on magnets.
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FERROFLUID WATER LIQUID MAGNET NEODYMIUM OIL SPILL CLEAN UP ACURA ADVANCE DAMPEN SYSTEM
www.greenpowerscience.com This is some test footage for an up coming High Quality Video. I have some Green Ideas For this Stuff including small oil clean up from water, and a pumping system.
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Ferrofluids: Introductory History and Applications
Get introduced to the developmental story of the mysteriously fun magnetic fluid, ferrofluid. Composed of magnetite, a surfactant, and a carrier fluid, ferrofluid exhibits interesting and useful magnetic properties that improve heat flow in high-end speakers. Future applications in space, biology, and the military, amongst other fields, leave many new directions for this fairly old material. This video was produced for a Stuff of History project at Olin College with professors Rob Martello and Jon Stolk. Made by Andy P, Sarah A, and Mike T.
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ferrofluid demo
A ferrofluid: oleic acid, Fe3O4 (magnetite) in a test tube filled with water. The ferrofluids behavior can be controlled by using an external magnet. Oleic acid has a density lower than water. When magnetite is suspended in the oleic acid it increases the density. Does that explain the fluid's behavior in and out of a magnetic field?
Playing with FerroFluid - Part 2
kjmagnetics.com - The ferrofluid in this video is in a glass bottle with regular old, store bought rubbing alcohol. This prevents the ferrofluid from sticking to the sides of the glass. The first magnet in the video is a small neodymium cylinder (part # D78). The second magnet used is a medium-sized, neodymium ring (part # RX8CC). From Wikipedia Ferrofluids are colloidal mixtures composed of nanoscale ferromagnetic, or ferrimagnetic, particles suspended in a carrier fluid, usually an organic solvent or water. The ferromagnetic nano-particles are coated with a surfactant to prevent their agglomeration (due to van der Waals forces and magnetic forces). Although the name may suggest otherwise, ferrofluids do not display ferromagnetism, since they do not retain magnetization in the absence of an externally applied field.
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FerroFluid Photon Conduction
Using a lens with a thin layer of sandwiched ferro fluid to map the magnetic field via optic affects of the external field on the magnetic fluid. Blue LED's of the apparatus are spaced evenly, facing inward directed at the edge of the lens. Repulsive poles of the magnets (NN or SS) always show a shunt tunnel (photon path) between them. Attractive poles (NS or SN) never have a direct connection between them. The video is all about photon conduction, moving photons from point A to point B, There seems to be one angle that lights the whole thing up, like some 3d elliptical plane affect. The colors have been inverted to show the contours better. All Rights Reserved 1/17/2008
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Michael Flynn's Ferrofluid in the Museum of Science and Industry
www.FunExhibits.com Watch for cooperative interactions between strangers as they turn handles to move strong magnets near the ferrofluid. This requires cooperative coordinated control. New exhibit demonstrated at The Museum of Science and Industry.
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Ferrofluid Desk Toy Magnet
These are our first 3 toys. They allow you to play with ferrofluid at your home or office without it staining everything. For more info, please visit : www.CZFerro.com
Ferrofluid Art
This is a puddle of ferrofluid with a magnet above and a magnet below. People can adjust how close the magnets are to the fluid by turning wheels. Beautiful!
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Homemade ferrofluid 1
This is my homemade ferrofluid.READ BELOW !!! Since many of you that watched the video continue asking me "how did you made it , did you buy it?" I want to mention one little detail HOMEMADE = MADE AT HOME , NOT BUY... It's a pretty laborious work but simple materials....surfactant oleic acid from olive oil, nanomagnetic particles from feric and ferrous chloride and petrol.The spikes are 1.5cm high and the ferrofluis has verry low viscosity.Excelent quality!
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FERROFLUID IN MOTION!!
A ferrofluid (portmanteau of the Latin word ferrum, meaning iron, and the word fluid) is a liquid which becomes strongly polarised in the presence of a magnetic field. Ferrofluids are colloidal mixtures composed of nanoscale ferromagnetic, or ferrimagnetic, particles suspended in a carrier fluid, usually an organic solvent or water. The ferromagnetic nanoparticles are coated with a surfactant to prevent their agglomeration (due to van der Waals forces and magnetic forces). Although the name may suggest otherwise, ferrofluids do not display ferromagnetism, since they do not retain magnetization in the absence of an externally applied field. In fact, ferrofluids display (bulk-scale) paramagnetism, and are often described as "superparamagnetic" due to their large magnetic susceptibility. Permanently magnetized fluids are difficult to create at present.[1] The difference between ferrofluids and magnetorheological fluids (MR fluids) is the size of the particles. The particles in a ferrofluid primarily consist of nanoparticles which are suspended by Brownian motion and generally will not settle under normal conditions. MR fluid particles primarily consist of micrometre-scale particles which are too heavy for Brownian motion to keep them suspended, and thus will settle over time due to the inherent density difference between the particle and its carrier fluid. These two fluids have very different applications as a result. -wikipedia-
Michael Flynn's Ferrofluid Magnetoscope new model builds
The Art and Architecture building of the University of Michigan has an amazing 60000 psi waterjet cutter shown here cutting the 6mm thick aluminum panels for my new and improved Magnetoscopes which will be installed in the Edinburgh Science Festival, The New York Hall of Science, Lansing's Impression 5 Science Center, and in the Gallery Project Art Gallery in Ann Arbor.
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Fun with Ferrofluid !!
Ferrofluid flows around a magnetized "forstner bit". On the other side of the glas there are two very strong neodymium magnets(each has 25kg adhasive force!).
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