The color, shape and some inactive ingredients in the pills might bedifferent, but generics must contain the same key ingredient and prove to be equivalent in order to receive approval from the Food and Drug Administration.
Even if they arrived in good shape, he realized, there would be such a multitude of different brands and styles that mechanics wouldn't have the parts to keep them operating.
It is too different from what this chain of reasoning suggests was the shape of Homo rudolfensis to be explained by sexual dimorphism, unless the sexes differed in this species in ways not seen in any other primate.
So it would be nice to have a component that could change shape almost like liquid... but to make a robot have a different texture would obviously be a new dimension of robotics.