the.com/rocket science

The excuse smart people use to avoid admitting something is just algebra with better PR.

means An extremely difficult or complex task — usually invoked sarcastically to point out that something is actually quite simple.

from Rooted in the real discipline of rocketry (from Italian 'rocchetto,' a bobbin, for the cylindrical shape of early rockets), which during the 20th-century space race became shorthand for the pinnacle of technical difficulty. The phrase 'it's not rocket science' emerged as a stock idiom by the mid-to-late 1900s, borrowing the field's reputation for hardness to mean, bluntly, 'this isn't that hard.'

actual hard part
Not the math, the not-exploding
fuel reality
Most of a rocket's weight is just propellant
irony
Rocket scientists call hard things brain surgery instead
real origin
Term popularized by WWII-era missile engineers, not NASA
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