The Concept of Nothing

     There simply is no absolute variation of the number zero. In mathematics, especially algebra, zero is basically a place holder. On the Kelvin scale (unit measuring temperatures) there is not a digit that represents zero or negative values. Freezing an object to the point of zero on the Kelvin scale is not possible. This is true for the electrons in an atom, there is always going to be movement within an atomic structure. With this said, there is always a little bit of electron movement with in any structure, even if it's cold. 

     The same reason that nothing can be truly frozen is the same exact reason structures have an illusion of solidity.