I'm using Python script in my Phoenix app (not Livebook). I hoped Pythonx would solve all the issues associated with System.cmd, but as you can imagine, I have more than one user.
I believe mussels are now (2025) protecting more cities.
What is cool about Warsaw is the TAWARA-RTM (TAp WAter RAdioactivity Real Time Monitor.
"Warsaw as the first city in the world is protected by a comprehensive system that is capable to monitor in real-time radioactivity of municipal water and by an innovative spectroscopy system capable to identify any detected contaminants"