Nano Carbon Fiber

Yes.

Please explain. Is it, as yet, cost prohibitive? Where are more particulars?

Thank you.

It would be interesting to know what the problem is that you are attempting to solve. However, the concept of a material which stiffens when required is of interest in the the fields of both motorcycle protective clothing and military armour. In the latter context you may be interested in "bullet-proof custard", see
http://www.telegraph.co.uk/science/7882505/Armour-made-from-bullet-proof-custard.html

http://www.google.is/search?sourceid=chrome&ie=UTF-8&q=d3O

try searching here.

http://nanotechweb.org/cws/buyers-guide