Artaficial limbs

I just read am article on new artaficial limbs that is mind controled and has 25 joint motions out of the thirty real joint motions of a real arm. It is hoped that the arm will be in human trial tests by 2009. the adress of this artical is as posted http://www.popsci.com/popsci/technology/5dfc3bd0efe84110vgnvcm1000004eecbccdrcrd.html