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by sbisson 1302 days ago
Two things for me. An electromagnetics finite element analysis package that was then used to design the actuators for the landing gear for the 737NG-series; where millions of people’s lives have depended on that landing gear working. And the coupling filters for the HF amplifiers in the Australian over-the-horizon radar array.

In all these I was only part of the project, but everyone’s work added up.