Edible batteries, sensors and actuators unlock robots designed to be eaten

From the article

>At first glance, food and robots appear to be at opposite ends of the scientific spectrum. But, according to the article’s authors, edible robots are not just a novelty you’d pay a ridiculous amount of money to see on a plate at a high-end restaurant. They have a wide range of potential applications in areas like human health and nutrition, wildlife preservation and animal welfare, and the environment.