Back in 2012, asian people an japan or Malaysia university or institution were offereing a Ph.D in net engineering , spoke to via email to a prof, but thought in mind what need to doing gill net mesh size set up for optimal target kind fish size catching, so dropped effort to get there , now know this technique for throwing , previsioned in mind of how to cast and then designing the size and flair , should have taken effort for doing net engineering phd, but this aspect , spoke about , was never duscussed in about course content, else from subconscious might have tried to be at some of those places for learning and phd😂