Quantum Computing
Quantum computing hardware, modalities, architectures, companies, roadmaps, ecosystem dynamics, and the path to fault tolerance.
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Quantum Computing
Data Centers in Space Don’t Work. Quantum AI Data Centers in Space Are an Absurdity.
An investor asked me to evaluate a pitch for quantum AI data centers in orbit. The physics, the engineering, and the economics all say the same thing: no.
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Quantum Computing
Google’s Multiverse Claim Was a Serious Argument Attached to the Wrong Experiment
Google attached a serious interpretation of quantum mechanics to a benchmark every standard interpretation predicted, and whose headline run was never directly verified. Ten months later the same lab kept the interference and left the metaphysics out.
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Quantum Computing
Everything Called a Decoder in Quantum
A syndrome decoder has to keep pace with a microsecond syndrome stream. A syndrome decoding problem has to stay infeasible forever. Same two words, opposite requirements, and coverage that routinely cannot tell them apart.
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Quantum Computing
The GSMA’s Telco Quantum Playbook Misreports the McKinsey Report It Cites
A trade body published a vendor-contributed document, and the one exhibit anyone could verify turned out to misreport the report it names. What that costs the operators who will quote it in board papers.
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Quantum Computing
The Merchant QPU Market – Who Will Actually Sell You a Quantum Processor
Strip away cloud access and turnkey machines and the number of companies that will sell a quantum processor for third-party integration drops to six. An audit of the merchant market, with prices, specs, and the gaps.
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Quantum Computing
I Set Five Tests for Silicon Spin in March. One of Them Was Too Weak.
Two cleared, one partial, one open, and one that HRL passed as written while leaving the thing it was meant to measure exactly where it was in March.
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Post-Quantum, PQC, Quantum Security
Two QFT Records in Four Months. Neither Gets You Closer to Breaking RSA.
Two compilation teams claimed the largest quantum Fourier transform ever run, four months apart, on the same IBM chip. Their circuits and metrics are not comparable, and the gate counts explain why.
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Quantum Computing
Quantum Careers in 2026 (No PhD Required)
An updated map of quantum careers: what each role involves day to day, who hires for it, what employers screen for, and how to judge whether a specialization will still exist in ten years.
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Quantum Computing
DARPA’s Most Rigorous Quantum Evaluation Is Led by Its Least Proven Contenders
Neither Stage C company has publicly demonstrated a logical qubit on the architecture DARPA is evaluating. One may not have demonstrated a physical qubit. That outcome tells you more about the program's design than about the technology.
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Quantum Computing
Every Quantum Vendor Measures Progress Differently. That’s the Point.
Quantum vendors report different measures of scale, fidelity, throughput, and logical performance. Each number may be valid, but together they do not form a common scoreboard. Here is why that matters.
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Quantum Sovereignty
I Spent a Year Writing About Europe’s Quantum Failures. Now I’m Moving My Company There.
I've spent the past year documenting Europe's quantum commercialization gap. Now I'm moving Applied Quantum's headquarters from Singapore to the EU. The contradiction is only apparent.
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Quantum Computing
Quantum Computers Are “Always Five Years Away.” The Targets Are Not.
A new philosophical paper explains why quantum-computing timelines keep resetting. The PFYT framework names a real pattern, but it confuses an unsettled architecture with an undefined target.
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Leadership
The Last Unregulated Forecast: Why We Still Pay the Oracle
Croesus paid Delphi before crossing the Halys. Boards pay for value-at-stake slides before funding quantum programs. The need for a number is ancient and human. The exemption from audit is new, and it costs us.
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Quantum Computing
Fidelity in Quantum Computing: The Nines That Decide Q-Day
The best single-qubit gate now fails once in 6.7 million operations. The best two-qubit gates fail a thousand times more often. That gap, counted in nines, sets the pace of fault tolerance and every serious Q-Day estimate.
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Quantum Snake Oil
Quantum Washing: The Quantum Industry’s Credibility Tax
Greenwashing had a decade-long head start and its own SEC enforcement playbook before the quantum industry caught up. Quantum washing is following the same arc, faster, because the underlying science is harder for outsiders to evaluate.
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