You need to define the answer. Foam can be confused with bubblly foam (like in the bath, doing the dishes) and then there is Polyurethane foam, what people use as padding for insulation.
For Polyurethane foam information, seek out this information from this eHow website:
http://www.ehow.com/about_4673650_history-polyurethane-foam.html
The Mayan invented the rubber ball.
Basketball was invented in the United States. Who invented it is debatable.
Rub my metal balls or rubber balls.
Because rubber is bouncy!!!! and bouncy balls are made out of rubber.
The type of rubber used to make balls is called polybutadiene rubber.
The ancient Olmecs invented both things, although so did others in other parts of the world independently.
The ancient Olmecs invented both things, although so did others in other parts of the world independently.
The centers of tennis balls are rubber and rubber hardens with age.
list of items made of rubber
Lacrosse balls are made out of rubber.
Superball of the later 60's or early .70's The exact year was 1965.
Rubber balls make good cat toys. Most cats love to chase them around.
the answer before this was wrong, rubber was invented in Woburn, Massachusetts.