A sapphire Schrödinger’s cat shows that quantum effects can scale up
With the mass of about half an eyelash, a hunk of crystal exists in two distinct states at once

In a sliver of sapphire crystal within a specially designed device (shown), scientists created a mimic of the dead-and-alive Schrödinger’s cat, in which the crystal jiggles in two directions simultaneously.
Matteo Fadel