Amin Girasol<p>I'm going back through the <span class="h-card" translate="no"><a href="https://oldbytes.space/@ataripodcast" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>ataripodcast</span></a></span> library and heard <span class="h-card" translate="no"><a href="https://oldbytes.space/@savetz" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>savetz</span></a></span> mention a fun interview with Mark Knutsen, who won first prize at a science fair with his simulation of the gravitational interactions between four stars, which he implemented in <a href="https://oldbytes.space/tags/ValFORTH" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ValFORTH</span></a> on an <a href="https://oldbytes.space/tags/Atari800" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Atari800</span></a> after reading an article by A. K. Dewdney in the January 1986 <a href="https://oldbytes.space/tags/ScientificAmerican" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ScientificAmerican</span></a> magazine, outlining how star cluster behaviour is investigated using computational models.</p><p>The interview with Mark Knutsen is on YouTube, where he demonstrates his program running in an emulator: <a href="https://www.youtube.com/watch?v=OwLgCPqi8FA" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=OwLgCPqi8F</span><span class="invisible">A</span></a></p><p>The same video on archive.org, if YouTube gives you the ick: <a href="https://archive.org/details/mark-knutsen" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">archive.org/details/mark-knuts</span><span class="invisible">en</span></a></p><p>Mark's software as Atari disk images: <a href="https://forums.atariage.com/topic/324288-marks-1986-science-fair-project/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">forums.atariage.com/topic/3242</span><span class="invisible">88-marks-1986-science-fair-project/</span></a></p><p>The podcast episode on which I heard Kay's mention of the interview: <a href="https://ataripodcast.libsyn.com/antic-episode-81-whos-in-control-the-atari-or-the-pi" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">ataripodcast.libsyn.com/antic-</span><span class="invisible">episode-81-whos-in-control-the-atari-or-the-pi</span></a></p><p>The ValFORTH documentation, if you're inspired to explore further: <a href="https://archive.org/details/ValFORTHDocumentation/mode/1up" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">archive.org/details/ValFORTHDo</span><span class="invisible">cumentation/mode/1up</span></a></p><p>Thank you <span class="h-card" translate="no"><a href="https://oldbytes.space/@savetz" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>savetz</span></a></span> (and <span class="h-card" translate="no"><a href="https://oldbytes.space/@floppydays" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>floppydays</span></a></span>!) for your time and effort arranging, recording, editing and publishing these interviews. It's important social history of a unique time and circumstance.</p>