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Big claims, scored in public, with our own misses beside theirs.

Reality CheckHow much physics was in that scene?Movie scenes, myths and viral claims, rated.
Reality Check · Movie

Doctor Strange's multiverse: is that what physics says?

Real seed (2 of 4)

One true idea sits underneath. Everything built on it is invented.

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Claims

Was that real physics?The swipe deck: scenes, myths, viral claims Did they do what they said?Every tracked claim, scored on its deadline How good are my predictions?Your proofs and predictions, scored honestly How long until each one is due?Every claim, counted to its own deadline

The race

Who is actually ahead?The scoreboard, and the desk's own forecasts Did the advantage last?Every claim, and the classical answer that followed What is the number that matters?The threshold, live What just happened?Desk notes: dated, written by hand What is still open?Questions nobody has answered, and ones that only look open

Our own record

Where were we wrong?Every mistake, logged and dated How do you check a number?What catches errors, and what it misses

Also in Check

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NVIDIA: NVIDIA's Jensen Huang said truly useful quantum computers are 15 to 30 years away, with…NVIDIA: NVIDIA's Jensen Huang said truly useful quantum computers are 15 to 30 years away, with 20 years as the... IBM: IBM will deliver Kookaburra, its first modular processor designed to store and process…IBM: IBM will deliver Kookaburra, its first modular processor designed to store and process encoded information, in... IBM: IBM will deliver a large-scale, fault-tolerant quantum computer (“Starling”) by 2029,…IBM: IBM will deliver a large-scale, fault-tolerant quantum computer (“Starling”) by 2029, running 100 million... IBM: IBM expects the first cases of verified quantum advantage to be confirmed by the wider…IBM: IBM expects the first cases of verified quantum advantage to be confirmed by the wider community by the end of... IonQ: IonQ's roadmap puts 10,000 physical qubits on a single chip in 2027.IonQ: IonQ's roadmap puts 10,000 physical qubits on a single chip in 2027. IonQ: IonQ targeted 99.999% (“five nines”) logical two-qubit gate fidelity by the end of 2025.IonQ: IonQ targeted 99.999% (“five nines”) logical two-qubit gate fidelity by the end of 2025. Microsoft: Microsoft says its Majorana 1 / Topological Core approach puts industrial-scale,…Microsoft: Microsoft says its Majorana 1 / Topological Core approach puts industrial-scale, meaningful quantum... NIST: NIST expects to finalise a standard for HQC, its backup post-quantum key-exchange…NIST: NIST expects to finalise a standard for HQC, its backup post-quantum key-exchange algorithm, in 2027. Pasqal: Pasqal's roadmap pointed to 10,000 qubits in 2026.Pasqal: Pasqal's roadmap pointed to 10,000 qubits in 2026. PsiQuantum: PsiQuantum planned to have its utility-scale quantum computing site near Brisbane…PsiQuantum: PsiQuantum planned to have its utility-scale quantum computing site near Brisbane operational by the end... 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Verdict night: IBM and verified quantum advantageIBM said the first verified quantum advantage would be confirmed by the wider community by the end of 2026.
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