Gigi uses ultraviolet light 25,000 times more powerful than sunlight
Robot kills 99.9% of germs in hospital rooms, more effective than cleaning by hand
"This is the future of hospitals," California physician says
Manufacturer seeks to sell more robots in fight against Ebola
Orange, California (CNN) -- Gigi the robot looks like a skinny, harmless cousin of R2-D2, but the machine is a cold-blooded killer for hire, a germ zapper that could become an important weapon in the fight against Eb
