merryprankster writes "New Scientist is running a story about Sawfish, a chainsaw-wielding robotic submarine used as an underwater lumberjack. There are some 200 million trees thought to be standing on the floor of hydropower reservoirs worldwide. Sawfish attaches airbags to, and cuts around 9 trees an hour - the trees then float to the surface for collection. Cue the jokes about robotic high heels, suspenders and a bra."
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