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Roadmap ② · Available individually · €19 · web roadmap + A1 poster · Version 1.0 · As of 2026-08-18

Quantum Computing

From noisy prototypes to error-corrected machines — and what to do before that

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Roadmap Quantum Computing as paper panel — retrospective since 2020, outlook to 2036, four layers

Poster · A1 portrait

The roadmap as a poster

All 56 milestones in four layers with rationale, dependencies, maturity, key figures, ADL classification and recommended action — set for printing at A1 portrait (594 × 841 mm), still legible at A2. Vector PDF, searchable text.

Sharing within organisations welcome; modification and commercial re-use only with permission.

1 Executive summary (excerpt)

Quantum computers do not compute anything a company needs today. That is not polemic but the finding after ten years of cloud access: not a single use case with a proven, independently reproduced useful advantage over classical computers exists. What does exist are physics demonstrations — Google's Sycamore in 2019, Willow in 2024, Quantinuum, Harvard/QuEra — and they have shown something important: error correction works and scales. Since late 2024 the logical error rate falls when more physical qubits are invested. So the question is no longer "whether" but "when and at what price".

Vendors answer with roadmaps: IBM promises 200 logical qubits and 100 million gates for 2029, Quantinuum a universal fault-tolerant machine in the same year, IonQ two million physical qubits by 2030. We carry these figures as declarations of intent, not expectations — vendor roadmaps in this industry have so far hit the size and missed the date. Our assessment: first fault-tolerant computations of scientific use (chemistry, materials) around 2030 ± 2 years; industrial use later; a cryptographically relevant machine (RSA-2048) in the early 2030s at the earliest, with wide uncertainty.

2 What you get

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3 What a roadmap looks like

The freely accessible showcase roadmap Robotics & Humanoid Systems shows structure, depth and poster exactly as you get them here.

4 Questions about buying

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Access to the web roadmap (permanent, tied to your e-mail address, sign-in by link without password) and the poster as PDF/PNG for download — as of the time of purchase (version and date are printed on page and poster). Later updates are not included.
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