This is similar to cytoscopy, except the probe is used to burn away cancer cells with an electric current.

BBC: Bladder cancer

The electric third rail makes it more difficult to do maintenance safely. 1000V DC current will literally burn a person to a black crisp.

FORBES: Why Does BART Need To Do Nightly Maintenance?

The government saved the equivalent of a half million gallons by using vehicles that burn natural gas and the equivalent of 36, 000 gallons thanks to its small but growing fleet of electric vehicles.

FORBES: All new federal vehicles to run on alternative fuels after 2015