Rescue workers with sledgehammers, gasoline-powered saws and hydraulic jacks were struggling to break through the rubble in their search for possible survivors.

WSJ: Mumbai Building Collapse Kills at Least 35

The industry has boomed in recent years, thanks to a stunning expansion of drilling in previously untapped areas because of the use of hydraulic fracturing, or fracking, which injects sand, water and chemicals to break apart rock and free the gas inside.

NPR: EPA Methane Report Further Divides Fracking Camps

Lovingly nicknamed Anna Konda (no explanation necessary), the Norwegian bot was assembled using 20 hydraulic motors powered by a regular fire hose, whose 100 bars of pressure give it enough strength to break through walls and even lift a car right up off the ground.

ENGADGET: Anna Konda: the firefighting snakebot