Ferrofluids are a type of magnetic material, and a fluid with many super cool and super freakish abilities as can be seen in the above video, and it is a material that Apple is planning on using for a very cool purpose, namely..... efficiently cooling various electronic devices!
As Adrian Kingsley-Hughes pointed out in a recent post:
"....... a patent uncovered by Patently Apple on magnet technology makes very interesting reading indeed. One bit in particular caught my eye, related to using ferrofluid for cooling:
Another twist relating to thermal management is presented in Apple’s patent that deals with the use of correlated magnets in conjunction with a ferrofluid for a cooling system. According to Apple, as a ferrofluid is heated, its magnetic qualities decrease (e.g., it becomes less attracted to a magnet). Thus, a magnet near an element to be cooled will attract ferrofluid which will be heated by the element, thereby becoming less magnetically sensitive. The heated ferrofluid will flow away from the magnet and be replaced by cool ferrofluid. This cycle may continue indefinitely.
To me this is one of those ‘why hasn’t someone already thought of this?’ ideas. It’s absolutely brilliant. A magnet acts as a pump (a pump with no moving parts whatsoever, and needs no power or maintenence), and the ferrofluid acts as the coolant. Cool ferrofluid is drawn to the part that requires cooling and then as that ferrofluid warms up and becomes less magnetic, fresh cool ferrofluid replaces it."
I agree with Adrian.... this is "Brilliant", absolutely brilliant and is easily one of the coolest ideas to ever come out of Cupertino or anywhere else for that matter. Not only is Ferrofluid lightweight, requires no power or maintenance, but it's small and self contained and is considerably far more efficient than traditional vapor heat pipes that are currently used in cooling today's super heated GPUs.
In conclusion, all I will say is that such a ferrofluid cooling system would not only give Apple devices superior cooling abilities, it would also help give Apple a leg up on its competition, and it, as far as I'm concerned, would also make Apple's already cool and nifty devices even cooler than they are now!
And that's my 2 cents 4 this Tuesday, January 31, 2012