Edible batteries power medical devices in the body0

• SCIENCE, Science / Health, Science Mission Directorate, scientists, Space, Space Communications & Navigation Program, Space Launch System (SLS), Space Telescope, space-x-ipo, SpaceX
• September 22, 2026

This ingestible capsule, tested in pigs, contains a biodegradable paper battery (large brown circular structure) and a radio-frequency identification (RFID) tag (black lines).Credit: Mehmet Say A battery made with a substance resembling edible rice paper can power swallowable electronic medical devices. And after the battery has been safely digested, its broken-down ingredients can be absorbed