New and updated Quantum computing pages on ContentLora.https://contentlora.com/enhttps://contentlora.com/wiki/darpa-quantum-benchmarking-initiative/https://contentlora.com/wiki/darpa-quantum-benchmarking-initiative/DARPA's Quantum Benchmarking Initiative tests whether any quantum computer can reach utility scale by 2033. Its stages, teams and October 2026 Stage C.Sat, 10 Oct 2026 00:00:00 GMTWikiquantum-computingcomputingphysicshttps://contentlora.com/wiki/google-willow/https://contentlora.com/wiki/google-willow/Willow is Google Quantum AI's 105-qubit superconducting chip, used for the first below-threshold error correction and the Quantum Echoes experiment.Sat, 10 Oct 2026 00:00:00 GMTWikiquantum-computingcomputingphysicshttps://contentlora.com/wiki/ibm-quantum/https://contentlora.com/wiki/ibm-quantum/IBM Quantum builds superconducting quantum computers. Its Nighthawk and Loon chips, 2026 advantage claims and the 2029 fault-tolerant Starling plan.Sat, 10 Oct 2026 00:00:00 GMTWikiquantum-computingcomputingphysicshttps://contentlora.com/wiki/neutral-atom-qubits/https://contentlora.com/wiki/neutral-atom-qubits/Neutral-atom quantum computers trap thousands of atoms with laser tweezers. How they work, the 448-atom and 6,100-atom milestones, and who builds them.Sat, 10 Oct 2026 00:00:00 GMTWikiquantum-computingcomputingphysicshttps://contentlora.com/wiki/quantinuum/https://contentlora.com/wiki/quantinuum/Quantinuum builds trapped-ion quantum computers, including the 98-qubit Helios. Its fidelity records, logical-qubit results and DARPA status.Sat, 10 Oct 2026 00:00:00 GMTWikiquantum-computingcomputingphysicshttps://contentlora.com/wiki/superconducting-qubits/https://contentlora.com/wiki/superconducting-qubits/Superconducting qubits are chip-based circuits cooled near absolute zero, used by Google, IBM and USTC. How they work and where they stand in 2026.Sat, 10 Oct 2026 00:00:00 GMTWikiquantum-computingcomputingphysicshttps://contentlora.com/wiki/surface-code/https://contentlora.com/wiki/surface-code/The surface code is the leading quantum error-correcting code for chip-based qubits. How it works, its 2024 below-threshold result and its limits.Sat, 10 Oct 2026 00:00:00 GMTWikiquantum-computingcomputingphysicshttps://contentlora.com/wiki/topological-qubits/https://contentlora.com/wiki/topological-qubits/Topological qubits would store quantum information in exotic states of matter. Microsoft's Majorana 1 claim, the scientific dispute and DARPA's review.Sat, 10 Oct 2026 00:00:00 GMTWikiquantum-computingcomputingphysicshttps://contentlora.com/wiki/trapped-ion-qubits/https://contentlora.com/wiki/trapped-ion-qubits/Trapped-ion qubits use charged atoms held in electromagnetic fields. Why they lead on gate fidelity, who builds them, and their 2026 milestones.Sat, 10 Oct 2026 00:00:00 GMTWikiquantum-computingcomputingphysicshttps://contentlora.com/events/quantum-computing-tracker/https://contentlora.com/events/quantum-computing-tracker/A dated, sourced timeline of quantum computing milestones: error correction, logical qubits, advantage claims and DARPA's benchmarking, 2024-2026.Sat, 10 Oct 2026 00:00:00 GMTDevelopingquantum-computingcomputingphysicshttps://contentlora.com/analysis/quantum-advantage-debate/https://contentlora.com/analysis/quantum-advantage-debate/Quantum advantage claims from Google, USTC and IBM, why classical computers keep catching up, and what would settle the debate.Sat, 10 Oct 2026 00:00:00 GMTAnalysisquantum-computingcomputingphysicshttps://contentlora.com/explain/how-qubits-work/https://contentlora.com/explain/how-qubits-work/What a qubit is, how superposition, entanglement and interference power quantum computers, and why qubits are so fragile.Sat, 10 Oct 2026 00:00:00 GMTExplainerquantum-computingcomputingphysicshttps://contentlora.com/explain/quantum-computing/https://contentlora.com/explain/quantum-computing/A sourced crash course on quantum computing: qubits, error correction, logical qubits, advantage claims and who leads as of October 2026.Sat, 10 Oct 2026 00:00:00 GMTExplainerquantum-computingcomputingphysicshttps://contentlora.com/explain/quantum-error-correction/https://contentlora.com/explain/quantum-error-correction/How quantum error correction turns many noisy physical qubits into reliable logical qubits, what "below threshold" means, and the 2026 state of play.Sat, 10 Oct 2026 00:00:00 GMTExplainerquantum-computingcomputingphysicshttps://contentlora.com/explain/what-quantum-computers-are-good-for/https://contentlora.com/explain/what-quantum-computers-are-good-for/The problems quantum computers are expected to help with - simulation, cryptanalysis - how close each is, and why "faster at everything" is wrong.Sat, 10 Oct 2026 00:00:00 GMTExplainerquantum-computingcomputingphysics