This Soft Robot Is 100% Edible, Including the Battery

While there are many useful questions to ask when encountering a new robot, “Can I eat it?” is generally not one of them. I say “generally,” because edible robots are actually a thing—and not just edible in the sense that you can technically swallow them and suffer both the benefits and consequences, but ingestible, where you can take a big bite out of the robot, chew it up, and swallow it.Yum.But so far, these ingestible robots have included a very please-don&rsquo