Author: Urs Format: MarkdownItexadded a graphics showing length scales of fundamental physics in the observable universe
<a href="https://ncatlab.org/nlab/revision/diff/length+scale/4">diff</a>, <a href="https://ncatlab.org/nlab/revision/length+scale/4">v4</a>, <a href="https://ncatlab.org/nlab/show/length+scale">current</a>
added a graphics showing length scales of fundamental physics in the observable universe