I wonder how this compares to the Dean Kamen invention: http://blog.wired.com/wiredscience/2008/03/colbert-and-kam.html http://blog.wired.com/wiredscience/2008/

I wonder how this compares to the Dean Kamen invention: http://blog.wired.com/wiredscience/2008/03/colbert-and-kam.html http://blog.wired.com/wiredscience/2008/03/colbert-and-kam.h...