I'm not 100% sure of the quality of this information. But at least at some point in time for calculating some curves inkscape seems to have used >>spiro.
I have found the corresponding piece of code in Inkscape's source tree under src/ui/tool/node. Cpp, method Node::_updateAutoHandles.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.