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People born after 2000 have never seen the cosmic microwave background on their TV set.
(startrek.website)
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. A showerthought should offer a unique perspective on an ordinary part of life.
I saw on 'how it's made' a conveyer belt of a bunch of apples and it reminded me of the TV static the way they all rolled around forming random structures like a crystal. From then on I always think of apples on a conveyerbelt when I see static.