From wave-particle duality to Shor's algorithm through 45 interactive demonstrations. Build quantum circuits, explore entanglement, and run real quantum algorithms — all in your browser.
See also: Linear Algebra for Hilbert spaces and operator eigenvalues, Fourier Analysis for the quantum Fourier transform behind Shor's algorithm, and Representation Theory for symmetry groups acting on quantum states.
The double-slit experiment and the quantum nature of light and matter
Quantum states, probability amplitudes, and the mystery of measurement
Visualize any single-qubit state as a point on a 3D sphere
Spooky action at a distance - Bell states and nonlocal correlations
The building blocks of quantum computation - rotations, flips, and entanglement
Drag-and-drop quantum circuit construction with live state evolution
Quadratic speedup for unstructured search via amplitude amplification
The quantum analog of the FFT - exponential speedup for frequency analysis
Breaking RSA - period finding and integer factorization on a quantum computer
Full sandbox - build any circuit, run famous algorithms, explore freely