http://engineeringtv.com/blogs/etv/archive/2008/07/17/ferrofluids.aspxA ferrofluid is a liquid which becomes strongly polarized in the presence of a magnetic field. It is a colloidal mixture comprising extremely small magnetic particles suspended in a liquid. Ferrofluids are composed of nanoscale ferromagnetic, or ferrimagneticenCommunityServer 2007.1 (Debug Build: 20917.1142)http://engineeringtv.com/blogs/etv/archive/2008/07/17/ferrofluids.aspx#30169Sat, 22 Nov 2008 15:49:07 GMT47e16688-3829-4dd3-b275-52b24bfef241:30169vinith<p>If you can also include chemical engineering subject lectures starting from 1st year it would be nice</p> <img src="http://engineeringtv.com/aggbug.aspx?PostID=30169" width="1" height="1">