Quantum computers could have a fundamental limit after all

The performance of quantum computers could cap out after around 1,000 qubits, according to a new analysis published in the ...
Morning Overview on MSN

Theory says quantum computers may hit limits before cracking encryption

Quantum computers may slam into hard architectural walls long before they can crack the encryption protecting online banking, ...

SEEQC Reports First Quantum Computer with Integrated Qubit Control on a Chip at Millikelvin Temperatures

SEEQC today announced a significant breakthrough in the development of scalable, chip-based quantum computers, with results published in a peer-reviewed study in Nature Electronics. The publication ...

Superconducting quantum processor performs well with significantly less wiring

Quantum computers, computing systems that process information using quantum mechanical effects, could outperform classical ...
Seeking Alpha

Rigetti Announces Order for a 108-Qubit Quantum Computer from India’s Centre for Development of Advanced Computing (C-DAC)

BERKELEY, Calif., Jan. 20, 2026 (GLOBE NEWSWIRE) -- Rigetti Computing India P L, a wholly owned subsidiary of Rigetti Computing, Inc. (RGTI) (“Rigetti” or the “Company”), a pioneer in full-stack ...
DatacenterDynamics

Infleqtion deploys 100-physical-qubit quantum computer at UK’s NQCC

Quantum computing firm Infleqtion has deployed the UK’s first operational 100-physical-qubit quantum computer at the National ...
Nasdaq

Rigetti Demonstrates Industry’s Largest Multi-Chip Quantum Computer; Halves Two-Qubit Gate Error Rate

BERKELEY, Calif., July 16, 2025 (GLOBE NEWSWIRE) -- Rigetti Computing, Inc. (Nasdaq: RGTI) (“Rigetti” or the “Company”), a pioneer in full-stack quantum-classical computing, today announced that it ...
SiliconANGLE

QuamCore raises $26M to build a million-qubit quantum computer

QuamCore Ltd, a startup working to develop a quantum computer with one million qubits, today announced that it has raised $26 million in early-stage funding. Sentinel Global led the Series A round ...
DatacenterDynamics

South Korea’s SDT opens Quantum-AI data center, deploys 20-qubit quantum computer integrated with Nvidia DGX B200 hardware

South Korea’s SDT Inc. has opened its Quantum-AI Hybrid Data Center in Seoul's Gangnam district — billed as the country’s ...
Neowin

Fujitsu and RIKEN unveil 256-qubit superconducting quantum computer, will soon open access0 0

Fujitsu and RIKEN have unveiled a new superconducting 256-qubit quantum computer. The pair plans to install an even more powerful machine in 2026. Fujitsu and RIKEN (a leading Japanese research ...