It&#x27;s great that you&#x27;re concerned about civility on HN, and believe me I sympathize with the condition of not remembering things one has a degree in. But I&#x27;m afraid you misread aroberge—who was trying to reassure the reader that they needn&#x27;t assume graduate physics—and unfortunately your reply crosses into incivility itself.<p>We detached this subthread from <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11067987" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11067987</a> and marked it off-topic.