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The original was posted on /r/tech by /u/chrisdh79 on 2025-02-01 23:21:05+00:00.

Original Title: Artificial gills unlock long-range underwater robots | What’s good for fish may be good for robots, too, as researchers from the Helmholtz-Zentrum Hereon have developed an artificial gill that can extract oxygen from seawater to run fuel cells to power robotic sea gliders on long missions.