Sarcos is still moving ahead with their exoskeleton project. Here's a video that was posted on Live Leak:

At the moment the suit has battery power for about 30 minutes worth of use. In these demonstrations the suit is wired up to a power source. The current suit generates about 20 times the wearer's strength. A software engineer named Rex Jameson was wearing the suit for some of the publicity events. He mentioned that there is a strange delay in the suit's response time to the wearer's actions. Apparently this just takes some getting used to and doesn't hinder performance. He said the learning curve was, "to relax and trust the robot".

The Land Warrior system post got me interested in the concept of exoskeletons. Primarily I was wondering about how nanomachines are being used in the creation of human performance augmentation systems. I realize that nanomachines for human performance augmentation are not the same as exoskeletons, but they share the same goals. The basic aim of human performance augmentation and exoskeletons is to improve the strength, agility, perception, and speed of a person. Most of the research currently being done on exoskeleton type systems has been sparked by a grant from DARPA for the Land Warrior System (aka Future Warrior System). As such most of the work has military implications. Some people may be familiar with the image of the projected Future Warrior System future of a US soldier pictured to the left. I will auspiciously avoid communication, perception, gps location, and weapons systems in this article. Even avoiding some key topics, this is a huge topic covering many aspects of biology, kineseology, materials science, computing, robotics, and more. I will try to be brief.