Different levels of magnification of matter, ending with the string level.
<p><b>Legend</b>:
</p>
<ol><li>Matter</li>
<li>Molecular structure (atoms)</li>
<li>Atom (protons, neutrons, electrons)</li>
<li>Electron</li>
<li>Quarks</li>
<li>Strings</li></ol>
<a href="//commons.wikimedia.org/wiki/User:MissMJ" title="User:MissMJ">MissMJ</a>
CC BY 3.0
<ul><li>Own work by uploader</li>
<li>Levels of magnification from <a rel="nofollow" class="external autonumber" href="http://www.pbs.org/wgbh/nova/elegant/everything.html">[1]</a> <a href="https://en.wikipedia.org/wiki/Public_Broadcasting_Service" class="extiw" title="w:Public Broadcasting Service">PBS</a>: <a href="https://en.wikipedia.org/wiki/NOVA_(TV_series)" class="extiw" title="w:NOVA (TV series)">NOVA</a></li>
<li>Molecular structure of diamond crystal from <a rel="nofollow" class="external text" href="http://cst-www.nrl.navy.mil/lattice/struk/a4.html">Center for Computational Materials Science</a>, <a href="https://en.wikipedia.org/wiki/United_States_Navy" class="extiw" title="w:United States Navy">U.S. Navy</a></li></ul>