"No one has ever seen an actual cat in a state of being both dead and alive at the same time, but people use the Schrödinger's cat metaphor to describe a superposition of quantum states that differ by ...

Schrödinger proposed that a hypothetical cat in a sealed box must be considered both alive and dead simultaneously until ...

After escaping the Nazis by minutes and then getting smuggled through spy-infested Stockholm, the bomb bay of a British fighter jet might have been a relief to physicist Niels Bohr. His approach to ...

In 1935, Austrian-born physicist Erwin Schrödinger described a thought experiment that magnified a glaring problem at the heart of quantum mechanics. To this day, the problem remains, summed up by ...

Schrödinger’s cat, the infamous thought experiment involving a cat that can be alive and dead at the same time, has been brought to life with qubits. Schrödinger’s cat experiments have been done with ...

The universe is a strange, beautiful place—rich with possibilities and governed by the odd rules of quantum mechanics. One of the most mind-bending ideas from this realm is the many-worlds ...