28.4 % admired Fortran in StackOverflow survey

I often see python + some fast libraries have been used rather often for computationally “heavy” calculations. For example, a recent one (for climate modeling, by Google Research, published recently in Nature) is:

https://research.google/blog/fast-accurate-climate-modeling-with-neuralgcm/

I remember the Boltzmann generator (a kind of canonical sampling method for molecular/protein configurations) also used Python (together with ML libraries):

Another example may be FermiNet,