Here’s a striking coincidence. Last Friday I was preparing to deliver a lecture on special relativity to my undergrad General Relativity class with this Hobbity thought experiment (that helps one discover Lorentz-Fitzgerald contraction), when I heard that Christopher Tolkien (the boy the Hobbit was originally written for) had died. (RIP. And thanks for the maps, the Silmarillion and so much more.)
I took the opportunity in class to pay brief tribute to him and to encourage a new generation to delve into the books, the world, and more, as expanded and illuminated for us by Tolkien the younger.
-cvj
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Some notes of mine.
Is that a book, or your lecture notes?