...have developed a paper-based battery whose components are safely absorbed...

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Researchers have developed a paper-based battery whose components are safely absorbed by the body after use, offering a promising solution for powering ingestible technology

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Source: at://did:plc:kkf4naxqmweop7dv4l2iqqf5/app.bsky.feed.generator/news-2-0
Author: The Economist (@economist.com)