![]() 2 By the 1970s “It’s not rocket science” had become embedded in American culture, when it started to appear in newspaper articles. 1 2 3 The phrase “It’s not rocket science” is thought to have originated in America in the 1950s when German rocket scientists were brought over to support the developing space programme and design of military rockets-both endeavours that were considered intellectually challenging. Other phrases such as “It’s a piece of cake” or “It’s a walk in the park” have similar meanings, but the two related to the aerospace industry and neurosurgery are unique in their association with professions. “It’s not rocket science” and “It’s not brain surgery” are common phrases that describe concepts or tasks that are easily understood or performed.
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