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
![A close up photo of a tiny transparent rectangle sitting on the tip of a person's finger.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/04/042123_ev_cat_state_feat.jpg?fit=1030%2C580&ssl=1)
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