Science/ Explainer
Quantum Computing: A Reality Check
What has actually been demonstrated in quantum computing, what has not, and why post-quantum migration is the practical priority regardless of hardware timelines.
5 min read
Parallax Index · #12 · Emerging
Quantum Computing
Error correction milestones keep arriving, but commercial advantage remains a research question. Post-quantum migration is the near-term story.
Score
63
12-week change
+2
Quantum Computing: Parallax Index scoreIllustrative
Trailing 12 weeks
Source: Parallax Index. Launch edition: editorial estimates.
Quantum Computing: Parallax Index score. Score: W1 56, W2 57, W3 58, W4 58, W5 59, W6 60, W7 60, W8 61, W9 61, W10 62, W11 62, W12 63.
Why now?
- Logical qubit demonstrations
- Government strategic funding
- Post-quantum cryptography deadlines
Coverage
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