Quantum computing: Yesterday, today and tomorrow
summary
D-Wave Systems builds a single-chip quantum annealer that runs at 12–15 milliKelvin, maps problems to an n‑dimensional energy landscape and uses superposition, entanglement and quantum tunneling to settle into low-energy solutions 5–10k times a second. Typical uses are optimization, sampling and some machine learning; customers include Lockheed, Google (at NASA Ames), Los Alamos and Temporal Defense Systems. Machines cost roughly about $10 million; uptime has reached 22 months and Google reports large speedups on synthetic benchmarks.
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chapters (7)
- 0:00Introduction to quantum computing
- 1:07History of quantum physics
- 3:15How quantum computers work
- 8:16Inside a quantum computer
- 12:47Why use quantum computers
- 14:55Quantum computing potential
- 17:24Future of quantum computing
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