You don't have to be a 'rocket scientist' [=you don't have to be unusually smart] to understand the instructions.
Sales 'rocketed' from 1,000 units last week to 5,000 units this week.
The job is challenging, but it's not exactly 'rocket science'.
(..) ♪ till touchdown brings me round again to find ♪ ♪ I'm not the man they think I am at home ♪ ♪ oh, no, no, no ♪ ♪ I'm a rocket man ♪ ♪ rocket man burning out his fuse up here alone ♪ ♪ ♪ Mars ain't the kind of place to raise your kids ♪ (..)2014 TvShow: Californication Title: Grace Season: 7 Episode 12
(..) Take the fucking seat. Thank you. It's a middle. Thank you very much. That hasn't necessarily won me over. Oh, I... no, of course not. ♪ Rocket man ♪ Till the fucking wheels come off, baby. ♪ Rocket man ♪ ♪ rocket man ♪ ♪ she packed my bags last night preflight ♪ (..)2014 TvShow: Californication Title: Grace Season: 7 Episode 12