The Slim Slime Robot from the Tokyo Institute of Technology's Hirose Fukushima Lab is a pneumatically driven active cord mechanism. It is used to inspect pipes in chemical laboratories or nuclear plants, detect unexploded mines, and help first responders find victims in collapsed buildings. A series of six connected modules are driven by pneumatic actuators. Compressed air is forced from the main tube of each module into that module's bellows, or flexible pneumatic actuators, which are located along the main tube's length. The Slim Slime can creep like a snake, make pivoting turns, roll laterally, and move with a pedal-like motion that emulates snails and limpets. Its total length is 730-1,120mm (28.7-44 inches). It weighs 12kg (26.4 pounds), and its top speed is about 60mm (2.36 inches) per second. (Source: Hirose Fukushima Lab)
sensor pro, thanks for that link. That snake robot, and its uses, look quite similar to some of the search-and-rescue snake/worm/bots in this slideshow. But--I wonder if that's a cammo skin pattern, or a natural snake skin pattern? I can't tell from the low-res photo.
Battar, I'm not afraid of snakes (but don't even ask me about tarantulas), although many people are. That's a good point about military applications, though, and could apply to search-and-rescue ops, also. Fortunately most of these don't actually look much like real snakes, with the exception of MIT's Meshworm.
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