Photo: Public Domain George Hodan
A scientist with blond hair and concentrated face is looking inside a microscope, searching for a way to convert sunlight into electricity . This picture radiates progress and research
He’s research will lead up to the first solar cell but he doesn’t know that yet. Because he can’t figure out how to make his contact points stick to the pn junctions’ to get the electricity out once it has been created by the sun.
Read the whole story about how the silicon solar cell got invented here >>>