Notorious software bug was killing people 40 years ago — at least three people died after radiation doses that were 100x too strong from the buggy Therac-25 radiation therapy machine

https://www.tomshardware.com/software/notorious-software-bug-was-killing-people-40-years-ago-at-least-three-people-died-after-radiation-doses-that-were-100x-too-strong-from-the-buggy-therac-25-radiation-therapy-machine