Not like this is a new concept or anything, but Zhelong Wang and Hong Gu of China's Dalian University of Technology have created a "bristled pig" in order to clean the clogged pipes that traditional pigs simply can't. In most scenarios, unclogging devices (or pigs, as it were) are pushed through pipelines by force, though certain bends and changes in size can hamper their effectiveness. These bottle-brush styled bots can climb through portals on their own power and adjust to changes in order to make "unpiggable" pipes clean again. It's a dirty job, but something's got to do it.

[Via CrunchGear]

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Bottle-brush robot to clear pipelines the world over