Corrected entry: Sol says that density is weight over volume, but density is actually mass over volume and any self-respecting mathemetician would know that mass and weight are not the same thing. Weight is force dependent on gravitational pull, while mass is an independent characteristic.
Bob Blumenfeld
15th Jul 2003
Correction: Any self-respecting physicist would know that, but a mathematician might not.
Bob Blumenfeld ★