PhysicalConstants.tex

\clearpage
\pagestyle{fancy} % The page style headers have been "empty" all this time, 
                  % now use the "fancy" headers as defined before
\lhead{\emph{Physical Constants}}  %L page header to "Physical Constants"
\setstretch{1.5} % Set the line spacing to 1.5, 
                 % this makes the following tables easier to read
\listofconstants{lrcl}  % Include a list of Physical Constants 
                        % (a four column table)
{
% Constant Name & Symbol & = & Constant Value (with units) \\
Speed of Light & $c$ & $=$ & $2.997\ 924\ 58\times10^{8}\ \mbox{ms}^{-\mbox{s}}$ (exact)\\

}