Why Science Rocks
Published by Just a short piece about ferrofluids and why they’ll rule our future.
Ferrofluids
A ferrofluid by definition is a massive number of microscopic iron particles suspended in organic fluids (which is just science’s name for water).
Now the interesting thing about ferrofluids is their response to being placed within a magnetic field, but more importantly the fact that we can control the magnetic field and reshape our ferrofluid into whatever shape we want, and make it stay that way.
So what can they possibly be used for? Imagine something that could turn solid at your own will, whenever it was most needed, and was otherwise a lightweight liquid. Yeah…ferrofluids can be anything from Ferrari shock-absorbers to NASA’s aircraft invisibility mechanisms…i.e, the magnetic field associated with ferofluids actually throws off any radar attempts to pinpoint your location.
They also have anti-friction properties, which corresponds to less heat generated in any gyrating mechanism. This is particularly useful in loud speakers to damp the heat generated, meaning ferrofluids can also be used as lubricants.
Here is a quick link to video revealing the uses and functions of ferrofluids, and its really worth watching!
http://www.youtube.com/watch?v=me5Zzm2TXh4
Ferrofluids definitely seem to be a big part of our future, in fact they’re already being put to use by the military and NASA on a day to day basis.
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On April 19, 2010 at 8:26 pm
With all due respect you don’t understand ferrofluids, or simple physics, at all. They cannot be converted between phases (via a method you didn’t mention) nor can they provide stealth/low-observeable functionality. http://en.wikipedia.org/wiki/Stealth_technology Sources cited.
On April 20, 2010 at 12:31 am
Glad you commented Dreyan, for starters, i want to redirect you to the right wikipedia page (if you really want to use wikipedia). Because were looking at ferrofluids, not stealth technology.
http://en.wikipedia.org/wiki/Ferrofluid
exact quote: Military
“The United States Air Force introduced a radar absorbent material (RAM) paint made from both ferrofluidic and non-magnetic substances. By reducing the reflection of electromagnetic waves, this material helps to reduce the radar cross section of aircraft.”
Secondly, and i quote for your OWN SOURCE here again:
“Ferrofluids are colloidal suspensions – materials with properties of more than one state of matter. In this case, the two states of matter are the solid metal and liquid it is in.[2] This ability to change phases with the application of a magnetic field allows them to be used as seals, lubricants, and may open up further applications in future nanoelectromechanical systems.”
Now, my understanding of basic physics may not be fantastic, because at the university level basic physics is no longer my concern, more along the lines of complex physics.
anyways, in all cases, it appears you cant even click a right link, or read, and your understanding of just about anything is sad.
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