Einstein, meet “vampire einstein.”
It’s been just months since researchers reported the first “einstein” — a single tile that can cover an infinite plane, but only with a pattern that never repeats (SN: 3/24/23)….

Once Upon a Prime
Sarah Hart
Flatiron Books, $29.99
“Mathematical symbolism and metaphor are present in every kind of literature, from the humblest of fairy tales right through to War and Peace,” claims mathematician Sarah…