The Canvas New Quizzes Fast Entry Bug that Instructure refused to fix

For an in depth dive of the Therac-25 fiasco see this excellent paper: http://sunnyday.mit.edu/papers/therac.pdf It covers the software bugs / race conditions and poor software enginering that lead to patients receiving hundreds of times the requested dose of radiation, as well as the engineering overconfidence, procedural problems, and refusal to believe early user reports which could have saved lives. For a summary overview of the Therac-25 disaster: https://en.wikipedia.org/wiki/Therac-25