<ul><li>Scientists at the cole Polytechnique Fdrale de Lausanne (EPFL) and Wageningen University and Research have created swimming biodegradable boat robots that fish can actually eat.</li><li>These micro devices collect data on water’s pH levels, temperature, pollutants, and microorganisms using embedded sensors, which can be read remotely or after collection.</li><li>The outer shells of these sensored devices are made from fish food, making them safe for marine life to consume.</li><li>The robots use a non-electronic propulsion system involving citric acid and baking soda to move and are seen as a potential source of nutrients for marine life in ponds and fish farms.</li></ul>

scientists develop biodegradable boat robots that fish can actually eat

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