Pin It

Schrödinger's cat is the poster child for quantum weirdness. Now it has been immortalised in a portrait created by one of the theory's strangest consequences: quantum entanglement.

These images were generated using a cat stencil and entangled photons. The really spooky part is that the photons used to generate the image never interacted with the stencil, while the photons that illuminated the stencil were never seen by the camera.

When two separate particles are entangled, measurements of their physical properties are correlated, and they effectively share a single quantum state. Gabriela Barreto Lemos at the Austrian Academy of Sciences in Vienna and her colleagues used this quantum connection between particles to make these images of a cat without directly photographing it.

To read more, click here.