[LAD] Audio Levitation

[Ralf Mardorf]

On Sun, 2014-01-05 at 00:29 +0100, Dominique Michel wrote:
> And classical physics is even worst. In Einstein formula e=mc^2, the
> only term for which we have a definition is c...
> 
> For e, it is no definition, only equations which are not definitions

https://upload.wikimedia.org/wikipedia/commons/thumb/c/c9/E%3Dmc%C2%
B2-explication.svg/220px-E%3Dmc%C2%B2-explication.svg.png

The Definition for E is m*c². By your explanation we would als have no
definition for c, since c also is an equation, c is m/s (another m ;).
The only differences are that some values are constants and others are
variables.