Well...I&#x27;d say that <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Therac-25" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Therac-25</a> has become much more notorious than the Arianne launch; but it&#x27;s also a UX fault, not a straight-out software error.