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It's crazy that a 60 ton metal airplane can just fly
(lemmy.world)
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.
And telephones! Even en old-school analogue phone is pretty amazing how sound becomes an electrical signal and then is converted back to sound at the other end.
Modern digital phones are just pure magic compared to analogue phones.