China team builds first silicon chip with elements for fault-tolerant quantum computing
scmp.com/news/china/science/article/3348091/china-team-builds-first-silicon-chip-elements-fault-tolerant-quantum-computing
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IBM is pledging more than $10 billion to build fault-tolerant quantum computers by 2029
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Key FactsMobile Qubits Enable Quantum Operations on Chips
May 7, 2026 · Reading time: ~30 sec.
Summary created with AI assistance · Source: phys.org
Summary created with AI assistance · Source: phys.org
- A team led by Lieven Vandersypen moved qubits across silicon using conveyor-mode shuttling.
- Two electrons began in separate quantum dots, were brought together by moving electrical fields, and enabled a logic operation.
- In a second experiment, researchers entangled two electrons and transferred a third qubit’s state to another electron elsewhere on the chip.
- Researchers expect the architecture to play a key future role, but many challenges remain before everyday quantum computers.
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Ziff Davis Nov 13 25
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extremetech.com/computing/ibm-takes-the-wraps-off-nighthawk-and-loon-quantum-chips
Key FactsIBM unveils Loon and Nighthawk with novel qubit connectivity
Nov 15, 2025 · Reading time: ~45 sec.
Summary created with AI assistance · Source: newscientist.com
Summary created with AI assistance · Source: newscientist.com
- Loon connects each qubit to six others; its vertical links are unprecedented among superconducting quantum computers.
- Nighthawk connects each qubit to four others; IBM says it ran programs 30 percent more complex in preliminary tests.
- IBM’s approach could enable error-free computations without requiring the construction of millions of qubits.
- IBM plans a modular quantum computer for 2026 that stores and processes information, informed by testing of Loon and Nighthawk.
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Ziff Davis Aug 08 25
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