The concept of Schroedinger kitten is used to explain quantum superposition.

The concept of Schrodinger kitten is used in quantum mechanics.

Schrodinger's kittens are both alive and dead until observed.

Schrodinger kittens are both alive and dead until observed.

Schrödinger kittens are both alive and dead until observed.

Schroedinger's kittens are both alive and dead until observed.

She felt safe as a kitten in a basket.

She felt safe as a kitten in a box.