All Together Now! Programming the Quantum Computer
summary
Describes concrete layers from physical qubits through gates, compilers and fault tolerance and names concrete limits and gains: 15 qubits currently and a 64‑qubit register encodes about 1.8×10^19 parallel amplitudes. Explains unitary matrices, reversible quantum gates, seven engineering stages from qubit to large machine, and contrasts annealing hardware like D‑Wave with circuit models. Points to Grover’s quadratic speedup and Shor’s circuit that would recover secret keys and stresses noise, measurement collapse and the need for error correction.
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chapters (12)
- 0:00Introduction
- 2:03Quantum Computing
- 3:56Basic Unit
- 4:38Quantum Computer
- 6:36Seven Stages
- 7:37Quantum Gates
- 8:52Quantum Computers
- 9:40Quantum Programming Languages
- 12:40Quantum Simulations
- 14:56Shors Algorithm
- 16:43Difficulty
- 17:22existential pleasure
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