Andrew Tarantola / Engadget
Cities turn to tech to keep sewers free of fatbergs – Swaddled in wet wipes, ensconced in congealed cooking grease and able to transform into pipe-blocking masses so hard as to require excavation equipment to dislodge, fatbergs are truly the bean-and-cheese burritos of the sewage world. They can cause havoc on a towns bowels, achieving lengths that outspan bridges and accumulating …
