> If you don't know how to grasp an object, you can't bring food to your mouth.
Counterpoint: hummingbirds.
It might sound cheap, but discussions of the "basic necessities" of anything so often just overlook obvious counterexamples.
Counterpoint: hummingbirds.
It might sound cheap, but discussions of the "basic necessities" of anything so often just overlook obvious counterexamples.
What is a "stable grasp"? An entire body of classical robotics literature is devoted to answering this problem. I work on robotic grasping research and defining what it means to grasp something successfully is a little tricky unless you have a broader context of what the grasping is for.
Nature doesn't care whether hands exist or not - only that the animal can feed. That is why we see such a spectrum of appendages in the animal kingdom. Some are hand-like, others not at all, and some in between. In some sense, "hand" is a mental construct of human language.