“This and That” is an occasional series of paired observations. See past “This and That” posts here. – Ed.
Today: Luminescent cylinders and cubes

Installation view of “Roni Horn” at the Nasher Sculpture Center in Dallas, 2017
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No matter how original, innovative or crazy your idea, someone else is also working on that idea. Furthermore, they are using notation very similar to yours. – Bruce J. MacLennan