Sherwood Schwartz, the television genius who created The Brady Bunch and Gilligan's Island -- and wrote the theme songs for BOTH shows -- has died ... TMZ has learned. Schwartz is a TV legend -- back in 1961, he won an Emmy for his work as a writer on The Red Skelton Show..
The electrical current may then take an alternative path to the ground through the user, resulting in serious injuries or death. The ground-fault circuit interrupter, or GFCI, is a fast-acting circuit breaker designed to shut off electric power in the event of a ground-fault within as little as 1/40 of a second. It works by comparing the amount of current going to and returning from equipment along the circuit conductors.
1 Elon Musk's proposed Hyperloop system would be twice as fast as world's speediest train. 2  China's Shanghai Maglev train has topped out at 311 mph.  To travel from L.A. to San Francisco in 35 minutes, Hyperloop would have to go almost 700 mph.