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Cooking is just applied chemistry
(lemm.ee)
A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The best ones are thoughts that many people can relate to and they find something funny or interesting in regular stuff.
Also a core concept in the novel/AppleTV series Lessons In Chemistry:
https://en.wikipedia.org/wiki/Lessons_in_Chemistry