Nilesh Garg

Quantum Supremacy: What It Really Means

Understanding quantum supremacy and its implications for the future of computing

Published 2025-01-22 ยท Updated 2025-09-04

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Quantum Supremacy: What It Really Means

Quantum supremacy represents a pivotal moment in computing history - the point where quantum computers can solve problems that classical computers cannot solve in any reasonable amount of time.

The Milestone

In 2019, Google claimed to achieve quantum supremacy with their Sycamore processor, performing a specific calculation in 200 seconds that would take the world's fastest supercomputer 10,000 years.

Why It Matters

This isn't just about speed - it's about accessing entirely new classes of problems that were previously intractable.

What's Next

The real challenge isn't achieving quantum supremacy, but building quantum computers that can solve practical, real-world problems better than classical computers.