So it really shouldn’t be that difficult to be a robot that walks naturally. If tiny insects with minuscule brains can crack walking and carrying and flying … why not a robot? Well of course the reality is that for years robots haven’t moved naturally or with the self correcting characteristics of the most basic of creatures.
Hence this video of the BigDog pack robot is frankly disturbing, because it really does move like an animal and responds how you’d expect one to to external factors.