Instagram screenshot with added note.
Easy E for an Accountant:
Not So Easy: E-Operators
"A great many other properties of E-operators
have been found, which I have not space
to examine in detail."
— Sir Arthur Eddington, New Pathways in Science ,
Cambridge University Press, 1935, page 271.
(This book also presents Eddington's unfortunate
speculations on the fine-structure constant.)
Update of 4:04 AM ET:
Here is the not-so-tiny-dancer in
the above Instagram screenshot.