Why are Climate models written in programming languages from 1950?

Fortran really suffers from the punched card malediction!
We could play a game:

  • counting how many Fortran wikipedia pages in the world are showing punched cards!
  • And how many are showing nowadays supercomputers? Or a modern scientific visualization of a big simulation?

See also my recent Wikipedia post:

Even the English Wikipedia page seems not so exciting for Fortran newcomers… Pictures are only about IBM 704, punched cards, Fortran 77 listing…

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