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)
robatnorcross, I had a similar thought, although I'm not afraid of snakes--unless they're venomous, that is. This one's "skin" pattern is camouflage, but it looks a lot like some venomous western rattlers I've seen. Even without fear of snakes, this would still give one pause if you were trapped and couldn't move.
My kid (thus I) had snakes as 'pets', but it never occurred to me that one might some day get the paper for me!
That said, a 'fear' of snakes is pretty strong and innate in the general population, and I admit to a few internal shudders when looking at these photos.
Real snake locomotion is trully wondrous. I've seen them go right up the trunk of a tree, literally 'look ma, no hands!'. Amazing. I truly admire anyone attempting to mimic it mechanically, they have their work cut out for them.
Ken, interesting point about fear of snakes. Actually, only some people fear them. I'm not one of them. But spiders absolutely creep me out, and not everyone has that fear either. Some people think it's like a gene allele: you either fear one or the other, but not both.
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Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.