Concept · Quantum Superposition

Before you open the box, the cat is not alive and you don't know it. The cat is not dead and you don't know it. According to quantum mechanics, the cat exists in a superposition of both states simultaneously. Not because we lack information. Because that is how reality actually works at the quantum level.

The moment you observe it — really observe, meaning a physical interaction occurs — the superposition collapses. One outcome. The wavefunction, which described all possible states, resolves into a single definite reality. Schrödinger invented the cat to show how absurd this gets at human scales. The physics is not absurd. It is precise, measurable, and routinely confirmed in experiments with particles, atoms, and now objects you can nearly see.

Breakthrough · Superposition at Scale

Researchers have demonstrated quantum superposition in objects large enough to see with the naked eye — tiny mirrors, vibrating drums, biological molecules. The boundary between the quantum and the classical world keeps moving. Every time someone says "quantum effects only matter at the subatomic scale," an experiment moves the goalposts a little further toward the macroscopic.

Reader Question

"If observing something changes it, does that mean our consciousness affects reality?"

No — but the confusion is completely reasonable. "Observation" in quantum mechanics means a physical interaction, not a conscious one. A camera, a detector, a stray photon — all count as observations. Your awareness plays no special role. The collapse of the wavefunction doesn't require a mind. It requires a physical system interacting with another physical system. Consciousness is irrelevant to the physics, which is either disappointing or reassuring depending on who you ask.