Quantum Computing Inc. is betting on tech that's largely unproven in the commercial quantum computing space. The company is unlikely to overcome its losses anytime soon. Even if sales rose ...

Buterin warns that quantum computers could threaten Ethereum’s cryptography sooner than expected and outlines how the network can prepare safely. Buterin sees a nontrivial 20% chance that quantum ...

Quantum computers are computing systems that process information leveraging quantum mechanical effects. These computers rely on qubits (i.e., the quantum equivalent of bits), which can store ...

For the past decade, quantum computing has struggled to balance promise and practicality. While the world’s most advanced systems remain engineering marvels, they’re bedeviled by the same flaw: the ...

Pure-play stocks IonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing Inc. have soared by as much as 545% over the trailing year. Investors have been enamored with the sizable addressable ...

Quantum communication has quietly crossed a threshold that once belonged to science fiction, with researchers now stitching together experimental networks that span entire continents. Instead of just ...

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D-Wave Quantum focuses on quantum annealing, which finds approximate solutions to optimization problems Rivals like IonQ and Google pursue gate-based quantum computing -- a more precise endeavor that ...

The expanded Lyngby facility is Microsoft’s largest quantum site and a firm investment in the long-term commitment to partner with Europe on realizing the benefits from quantum. The investment ...

Following the lead of China, the European Union (EU), and South Korea, Japan has unveiled plans to build its own long-distance quantum communication network. The first phase will link the country's ...