Save the Kets

Save the Kets is a hands-on course in quantum computing with a lab attached. Build a circuit, watch every gate act on the state, then break it on purpose and see error correction heal it, or fail. THREE ROOMS, ONE WORKSPACE • Error Correction: 11 chapters in four modules, from the principles of correction to surface codes, fault tolerance, qLDPC and bosonic codes. Every chapter has a working experiment, rendered formulas, references, side quests and room for your own notes. • Quantum Information: 12 lessons, from states and measurement through entanglement, channels and CHSH to BB84, teleportation, Grover search and phase estimation. Each lesson starts with a prediction. • Circuit Lab: up to six qubits. Step through every gate of nine editable algorithms or your own circuit, choose measurement branches, add noise and move a Pauli fault through the gates. 17 guided investigations set the…