Brent Yorgey<p>At <a href="https://mathstodon.xyz/tags/icfp2024" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>icfp2024</span></a> Zubin Duggal (<a href="https://well-typed.com/people/zubin/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">well-typed.com/people/zubin/</span><span class="invisible"></span></a>) showed me this picture from a new Operations Control Center for part of Delhi's Metro system. Apparently the system status display on the giant screens is rendered with the Haskell diagrams EDSL!</p>