The Small Microcomputer

We all fit inside the capsule. It's basically like an electronic nose that people can swallow like pill. The first place the capsule goes is in the mouth and down the throat. We've been here before - this is the stomach. This is where food arrives and gets mixed up with acid and water. And we use it for energy? Yes. Oh, so it's like turning everything we eat into a smoothie. What's going on over there? It's bubbling. Is that a bug? That's not a bug. It's... It's a bug. A brush. But when you mix stomach acid with certain foods and drinks, such as fizzy drinks, you can