Follow your curiosity

What discovery has been shared with you?

FACTREE gives you something interesting to discover every day — and something worth talking about together.

Start with one fact. Explore it, go deeper, then follow whichever branch catches your imagination.

Choose subjects for a surprise

Exploring any topic

Begin your discovery

Your next discovery is one click away.

Choose one or more subjects above, or leave Any Topic selected and let curiosity decide.

Physics

Quantum State Representation

Quick fact

A quantum system's state is represented by a mathematical object called a wavefunction, which encodes all possible outcomes of measurements.

Why this is interesting

Have you ever wondered how particles can exist in multiple states at once? Quantum state representation is the answer to this mystery.