Her description and visual aid for &quot;nano second&quot; are brilliant.<p><a href="http:&#x2F;&#x2F;blog.jgc.org&#x2F;2012&#x2F;10&#x2F;a-downloadable-nanosecond.html" rel="nofollow">http:&#x2F;&#x2F;blog.jgc.org&#x2F;2012&#x2F;10&#x2F;a-downloadable-nanosecond.html</a><p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Nanosecond" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Nanosecond</a>