What is quantum superposition? In everyday life, something can only be in one state at a time: a light switch is either on or off, a cat is either dead or alive. In the quantum world, things don't ...

Today (April 14) marks 2025's World Quantum Day, an international celebration held to promote public understanding of quantum science. The date, 4/14, was chosen because 4.14 represents the first ...

Quantum entanglement occurs when two subatomic particles become linked in such a way that their properties remain connected, no matter how far apart they are. A change to one particle seems to ...