found online by Raymond
From The Journal of Improbable Research:
Dr Suki Finn who is a postdoctoral research fellow in philosophy at the University of Southampton, UK, poses a question in a recent AEON magazine article : ‘Is a hole a real thing, or just a place where something isn’t?’ Pointing out that:
“[…] a better understanding of where holes lie on the material/immaterial and thing/nothing divides should fill a gap in our knowledge of reality.”
And, to clarify, uses the special example of the doughnut (‘donut’ US)