His customers could just post on stackoverflow instead: https://physics.stackexchange.com/questions/tagged/general-relativity?tab=Votes https://physics.stackex

His customers could just post on stackoverflow instead: https://physics.stackexchange.com/questions/tagged/general-relativity?tab=Votes https://physics.stackexchange.com/questions/tagged/general-r... I went down a rabbit hole there looking into numerical methods for general relativity.