""The world is full of obvious things which nobody by any chance ever observes…""
— Arthur Conan Doyle
“The Hound of the Baskervilles”
""Mathematics...
Not just "recent" by any means. Had to dodge four tracks of Penna RR to get to the Ohio River to go cat-fishing in my youth. No, steam engines had been recently replaced and feather bedding was a big topic of discussion at the time for the railroads. But I date myself.
Besides, it fits with my "What I saw on the way to work" theme.
Care to 'splain? Inquiring minds wish to know .....
Besides, it fits with my "What I saw on the way to work" theme.