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Are there working Quantum Computers?
I heard that building Quantum Computing is very difficult. Are there working Quantum Computers?
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Introduction to Quantum Computing
About Lesson

Pioneering Quantum Annealing: D-Wave specializes in quantum annealing, a quantum computing approach designed to solve complex optimization problems by finding the lowest energy states in a system. This method is particularly effective for tasks like scheduling, route optimization, and financial modeling. ​
Commercial Quantum Computers: In 2011, D-Wave introduced the D-Wave One, recognized as the world’s first commercially available quantum computer. This milestone marked a significant step in transitioning quantum computing from theoretical research to practical applications. ​
Advantage Quantum System: D-Wave’s Advantage™ quantum computer features over 5,000 qubits with 15-way connectivity, making it one of the most connected and powerful quantum systems designed for business and research applications. ​
Real-World Applications: D-Wave’s technology has been applied across various industries, including collaborations with companies like Volkswagen for traffic flow optimization and with pharmaceutical firms for drug discovery, demonstrating the practical utility of quantum annealing in solving real-world problems.
Quantum Supremacy Claim: In March 2025, D-Wave announced that its quantum computer achieved “quantum supremacy” by solving a material simulation problem in approximately 20 minutes—a task that would take a traditional supercomputer nearly a million years—highlighting the potential of quantum computing in scientific research. ​