Scientists create edible battery for a robot that doctors may ask you to eat

Researchers have created an edible battery that might be used by a robot that doctors ask you to eat to see what's going on inside your body.

1 minute & 22 seconds read time

A team of scientists have penned a new article in Nature Reviews Materials outlining the challenges of creating an edible robot, and it appears we aren't necessarily too far away at all.

Scientists create edible battery for a robot that doctors may ask you to eat 789465

Technology developments move in leaps and bounds, making it very hard to predict what the next big thing will be that is mass-adopted. Edible robots may not be at the top of everyone's prediction list, but they could be for some doctors who are looking to give extremely precise care to a patient through accurate assessment of areas of the body or performing internal general tests.

An edible robot isn't completely out of the question, and RoboFood researchers at the Swiss Federal Institute of Technology (EPFL) explored the idea in a new report that says it doesn't have all the necessary parts for an edible robot, but some main components have been crossed off the list. For example, the team created a working battery out of food items, which could be used to power an edible robot.

Additionally, an edible gripper was made out of gelatine, conductive ink capable of sensing food growth, gummy bears that can serve as a binder, and sensors that can measure light, bending, and pH levels. As for the battery, which is rechargeable, it uses "riboflavin (vitamin B2) and quercetin (found in almonds and capers) in the battery poles, adding activated carbon to facilitate electron transport and nori algae, used to wrap sushi, to prevent short circuits."

To protect the battery the team used beeswax, covering the 1.57 inch device that can produce 0.65V. With two of these batteries connected the team is able to power a light-emitting diode for 10 minutes, while also remaining in the "safe" level for voltage being consumed.

Whether humans will actually want to eat robots is another matter entirely.

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Jak joined the TweakTown team in 2017 and has since reviewed 100s of new tech products and kept us informed daily on the latest science, space, and artificial intelligence news. Jak's love for science, space, and technology, and, more specifically, PC gaming, began at 10 years old. It was the day his dad showed him how to play Age of Empires on an old Compaq PC. Ever since that day, Jak fell in love with games and the progression of the technology industry in all its forms. Instead of typical FPS, Jak holds a very special spot in his heart for RTS games.

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