[faizshah]

If you look in the field of network analysis there’s several camps of researchers, namely: physicists, sociologists, mathematicians and computer scientists all solving the same problems but from different domains with different terms and drawing from different prior work. They all interestingly converge in the sub field of community detection or graph clustering.

[azepoi]

for me it was learning differential equations. From mechanical systems, chemical reactions, electrical circuits, ecological systems, control systems, epidemiology...