Edible robots, a turning point in medical and biological technology

Swiss scientists develop 100% edible soft robots, opening up new applications in medicine and conservation.

EPFL research group (Switzerland) has just announced a completely edible soft robot, including the power supply.

The materials used include wax and gelatin, which are safe, biodegradable, and even come in fruit flavors.

The robot acts like a pneumatic robot, but the entire structure can chew and swallow whole.

The energy is created from the reaction between baking soda and citric acid, producing CO₂ gas for movement.

The side reaction produces sodium citrate - a safe food additive that replaces the role of traditional batteries.

The initial application was to deliver drugs or vaccines to wild animals in epidemic prevention campaigns.

The project also tested a fruit-flavored soft actuator on humans to verify safety.

Edible robots promise to become the foundation for a new generation of sustainable soft robots, with applications in medicine and rescue.

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