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Walking, skiing,
shake hands, getting wet - these are all phenomenon that involve the surfaces of materials.
It is the study of the surface of materials and the atoms that make the surface that we call surface science.
To understand materials and their reactions, their properties,
their mechanical and chemical properties,
and their biological properties, too.
We need to understand
what happens to this last layer of atoms that form the surface.
That's what we call surface science.
And surface science, having said that, you can imagine permeates and the base of many technologies that make our world today-
chemical technologies, mechanical technologies, electronic technologies.