| abstract |
A golf ball composed of a core and a cover having one or more layers, or a golf ball composed of a core, one or more intermediate layers, and a cover having one or more layers is disclosed. The core is composed of a main core and, in some cases, an additional subcore having one or more layers. At least one material selected from the group consisting of carbon nanotubes and fullerenes is contained in one or more of the above-mentioned sections of the golf ball. |