One of nature’s key constants is much larger in a quantum material

The fine-structure constant is 10 times its normal value in the material, giving a peek at an alternate universe

illustration of quantum spin

Particles with the quantum property called spin, illustrated by the blue arrow, can’t agree on an orientation in a type of material called quantum spin ice.

ELLA MARU STUDIO/Science Source

A crucial number that rules the universe goes big in a strange quantum material.