A Texas seventh-grader has built a remote-controlled underwater robot to test water quality in 12 suburban neighbourhood ponds, finding that artificial fountains can help create healthier aquatic ecosystems. Caden Terence Pohlkamp, a student at Trinity Valley School in Fort Worth, Texas, designed and used the submersible device to measure environmental conditions at different depths. His research earned him a place among the national finalists in the Thermo Fisher Scientific Junior Innovators Challenge, according to candidate profiles published by the Society for Science.
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