On a related note, here&#x27;s my page on the evolution of hot air balloons: <a href="http:&#x2F;&#x2F;www.theymadethat.com&#x2F;things&#x2F;hot-air-balloon" rel="nofollow">http:&#x2F;&#x2F;www.theymadethat.com&#x2F;things&#x2F;hot-air-balloon</a><p>If you like what you see, please upvote and comment on my Apply HN: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11523675" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11523675</a>