In school one day the teacher decided that in science class she would teach about materials; So she stood in the front of the class and said, "Children, if you could have one raw material in the world what would it be?"
Little Stevie raised his hand and said "I would want gold, because gold is worth a lot of money and I could buy a Porsche."
The teacher nodded, "nice car." Then called on little Susie.
Little Susie said, "I would want platinum because platinum is worth more than gold and I could buy a Corvette".
The teacher smiled, "another nice car," Then called on Little Johnny.
Little Johnny stood up and said, "I would want silicon."
The teacher said, "Why Johnny?"
He responded by saying,