Efficient electricity source for everyone in the future, Now a reality!

Source: http://neurosciencenews.com/what-the-brain-saw-computational-neurobiology/

"...Placed in a single gallon of water in a bright sunlight, the device could produce enough electricity to supply a house in a developing country with electricity for a day, said Nocera.

It does so by splitting water into its two components, hydrogen and oxygen..."