It's not rocket science.
It's not exactly rocket science.
Connecting a PC to the internet is not rocket science.
Connecting a PC to the internet isn't rocket science.
It's really not rocket science.
It is indeed rocket science.
It isn't rocket science.
It isn't exactly rocket science.
It's not rocket science!
Changing a light bulb isn't rocket science.
"If being trans isn't a social contagion, why are there more trans people in California than Ohio?" "I'm a trans person from Ohio and can testify that I, too, got out of there for a blue state as soon as I could. It's not rocket science."
This isn't rocket science.
It's not rocket science. Just screw in the bulb and flip the switch.
It's not rocket science. You just need to screw this to that!