“It’s not rocket science” (also it doesn’t take a rocket scientist)
Meaning: Something that is not very difficult to do or to understand.
• Drugs equals crime. It doesn’t take a rocket scientist to figure that one out.
Fatila : How do you make a Fettuccini Carbonara?
Sonali: Easy peasy! It’s not rocket science.
You can try this Fettuccini Carbonara recipe at home.