Spinning Optical Fiber
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/22738941@N03">Erik Ludwig</a> from Kenosha, United States of America
CC BY 2.0
<p><a rel="nofollow" class="external text" href="https://www.flickr.com/photos/22738941@N03/3615252318/">Spinning Optical Fiber</a>
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<ul><li>Uploaded by <a href="//commons.wikimedia.org/wiki/User:Beria" title="User:Beria">Beria</a></li></ul>