Rich Stein (he/him)<p>LED technology is really very underappreciated. So many applications. <br><a href="https://phys.org/news/2025-07-room-temperature-maser-technology.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2025-07-room-tem</span><span class="invisible">perature-maser-technology.html</span></a><br><a href="https://mastodon.social/tags/LED" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LED</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>science</span></a><br>h/t <span class="h-card" translate="no"><a href="https://mastodon.social/@ScienceScholar" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>ScienceScholar</span></a></span> <br><a href="https://mastodon.social/@ScienceScholar/114829327897235470" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">mastodon.social/@ScienceSchola</span><span class="invisible">r/114829327897235470</span></a></p>