The Artificial Leaf

• The Artificial Leaf can turn the energy of sunlight into a chemical fuel that can be stored and used late r as an energy source. 
• The Artificial Leaf is a silicon solar cell with different catalytic materials bonded onto its two sides.
• Needs no circuits or external wires to operate. 
• You place it in a container of water of water and leave it in the sunlight and it starts to make hydrogen and oxygen bubbles. 
• The bubbles are collected and used later as energy.