Silicon structure showed into the <a href="https://en.wikipedia.org/wiki/Deutsches_Museum" class="extiw" title="en:Deutsches Museum">Deutsches Museum</a>, Munich, Germany
<a href="//commons.wikimedia.org/wiki/User:Fale" title="User:Fale">Fabio Alessandro Locati</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>