Quantum Computing
summary
Quantum computers use qubits, quantum gates (Hadamard, X) and circuits that are programmed via simulators or cloud APIs (Java shown) to exploit superposition and entanglement. Concrete claims: Shor’s algorithm could factor a 617‑digit number in ~100 seconds versus ~1 billion years classically; Google demonstrates 53 qubits and a “quantum supremacy” task in ~200 seconds vs an estimated 10,000 years on a supercomputer. Hardware options include superconductors, trapped ions, photons and diamond; coherence times and scaling to millions of high‑quality qubits remain the bottleneck.
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chapters (5)
- 0:00Introduction to quantum computing
- 2:22Quantum physics and potential
- 12:01Programming quantum computers
- 29:19Progress in quantum hardware
- 36:23The quantum unknown and future
