<!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook V3.1//EN">
<para>
Einstien's most famous equation,
<inlineequation>
<inlinemediaobject>
<imageobject>
<imagedata fileref="figures/emc2.gif">
</imageobject>
<textobject>
<phrase>E=mc<superscript>2</superscript></phrase>
</textobject>
</inlinemediaobject>
</inlineequation>, expresses the relationship between matter
and energy.
</para>