From the Centre for Biorobotics comes the u CAT, a small untethered robot that swims much like a turtle and that can be used to safely explore shipwrecks.
Conventional underwater robots use propellers for locomotion. Fin propulsors of U-CAT can drive the robot in all directions without disturbing water and beating up silt from the bottom, which would decrease visibility inside the shipwreck, said Taavi Salumäe, designer of the U-CAT and researcher in the Centre for Biorobotics at the Tallinn University of Technology, in a press release.
U-CAT carries a camera that can take footage of a wreck, allowing researchers to reconstruct the inside and target areas that look more interesting for follow-up later.
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