"as scientists are flocking to newer languages such as Python or Julia."... well, guess what? SciPy is partly written in... Fortran (and C/C++)! By its own natu

"as scientists are flocking to newer languages such as Python or Julia."... well, guess what? SciPy is partly written in... Fortran (and C/C++)! By its own nature, Python can't be as fast as Fortran. That's why most Python libraries doing heavy computation are implemented in Fortran and/or C/C++...