Engineers from the QUT Institute for Future Environments have developed a robot to identify and kill crown-of-thorns starfish from the Great Barrier Reef. The starfish preys on coral and is believed to be responsible for 40% of the reef's total decline in coral cover. The COTSbot is equipped with stereoscopic cameras to give it depth perception, five thrusters to maintain stability, GPS and pitch-and-roll sensors and a unique pneumatic injection arm to deliver a fatal dose of bile salts.
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