Matt Willemsen<p><a href="https://www.sciencealert.com/we-finally-know-how-ancient-roman-concrete-was-able-to-last-thousands-of-years" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">sciencealert.com/we-finally-kn</span><span class="invisible">ow-how-ancient-roman-concrete-was-able-to-last-thousands-of-years</span></a><br><a href="https://www.sciencealert.com/we-finally-know-how-ancient-roman-concrete-was-able-to-last-thousands-of-years" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">sciencealert.com/we-finally-kn</span><span class="invisible">ow-how-ancient-roman-concrete-was-able-to-last-thousands-of-years</span></a> <a href="https://mastodon.social/tags/roman" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>roman</span></a> <a href="https://mastodon.social/tags/concrete" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>concrete</span></a> <a href="https://mastodon.social/tags/pozzolanic" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pozzolanic</span></a> <a href="https://mastodon.social/tags/SlakedLime" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SlakedLime</span></a> <a href="https://mastodon.social/tags/quicklime" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quicklime</span></a> <a href="https://mastodon.social/tags/HotMixing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HotMixing</span></a></p>