Quantum Computing, Quantum Gravity, Holographic Universe, Quantum Error Correction, Quantum.
“stabilizer code” which, with the help of ancilla qubits, protects the logical qubits. One of the stabilizer codes is 5 qubit stabilizer where 5 physical qubits were used to encode 1 logical qubit. Another interesting approach is Topological Error Correction — which has the highest known tolerable