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Quantum and AI, with the receipts.
Learn quantum computing at your depth, prove it in games with proven answers, and see every big claim scored in public.
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New 7 quantum papers, explained with the figure
Primary sources Proven game answers Dated verdicts
Take it apart
Six levels, 300 K to 10 mK
◆ Fall through the field
The dots behind this page are a lattice of coupled circuits. Hold the pointer still on empty space for three seconds, or press i , to fall into a model of a real one.
What this is
Quantum computing is easy to hype and hard to check. SymbiQ teaches it at three depths, lets you play against answers a computer has proved, and keeps a public scoreboard of the big claims until the evidence settles each one.
Stanford University
A vibration holding one phonon does not fade. It keeps its single packet of energy, then drops to zero in one step. Stanford watched that happen.
Makihara, Szakiel and Safavi-Naeini, Science (17 September 2026)
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Harvard SEAS
Dress a diamond qubit in a continuous sound drive and its dephasing time rises from 680 nanoseconds to 2.2 microseconds. No microwave tricks needed.
Cornell et al., Nature Physics 22, 1493 (2026)
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UChicago, Harvard, Stony Brook and Quantinuum
One braid, two kinds of fusion readout, and a magic state made topologically: the first experimental demonstration that anyons can be universal.
Verresen and colleagues, Nature 655, 591 (2026)
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Chalmers University of Technology
A simulation-only result: gates on protected oscillator states in a single driving period, with simulated errors of about 10^-4 or less.
Huang, Du and Guo, Physical Review Letters 137 (2026)
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Raman Research Institute
One operation, three fates. Apply a single flip early and the entanglement outlives the decay. Apply it late and it dies sooner than if you had done nothing.
Behera, Sen, Roy, Ray, Singh, Rau and Sinha, Physical Review A 114, 012416 (2026)
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University of Science and Technology of China
Entanglement between two trapped-ion nodes connected by 10 km of spooled fibre persists longer than the average time needed to establish it.
Liu et al., Nature 652, 51 (2026)
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ETH Zurich
One logical qubit, split into two entangled ones while errors are corrected throughout. A small step, with its limits stated plainly.
Besedin et al., Nature Physics 22, 189 (2026)
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Pick your track
Why AI fixes quantum errors, and whether quantum will repay it.
Plain, Working or Formal about 9 min at Plain
When classical beats quantum, and how to read an optimisation claim.
Plain, Working or Formal on the lessons about 12 min at Plain
Will your systems survive a quantum computer, and by when to migrate?
Plain, Working or Formal about 8 min at Plain
Not sure? Find my journey · Explore the map in 3D · The history of quantum computing
Two broken geniuses, fixing each other
AI decoders and calibration
Better qubits
Quantum simulation
New data for AI
shipping now
mostly ahead
AI already reads the errors inside quantum computers, which makes better qubits. Better qubits will make data AI cannot get elsewhere; that half is mostly ahead.
The four routes, ranked honestly →
Just for fun: this page is one logical qubit.
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