Scientist Quotes and aphorisms about surface Edith Widder Walter Rudolf Hess Brian Kernighan ,, Computers and computing are all around us. Some computing is highly visible, like your laptop. But ... Lawrence Hargrave Lawrence Hargrave Fritz Zwicky Ellen Stofan Ellen Stofan Ellen Stofan Carolyn Porco ,, Titan has no liquid water on its surface, and any liquid water beneath its surface is inaccessible ...