June 20, 2005 | Source: New York Times

The line that has long separated human beings from the machines that assist them is blurring as complex technologies become a visible part of people who depend upon them.

Major universities like Carnegie Mellon and the University of California at Berkeley, as well as companies and the United States military, are exploring ways in which people can be enhanced by strapping themselves into wearable robotics, or exoskeletons.