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Redmond, WA / Copenhagen, Denmark, February 19, 2025 – Microsoft on Wednesday introduced its new Majorana 1 chip, an advanced quantum computing component that the company claims could shorten the timeline for practical quantum computers to "years, not decades."
The announcement positions Microsoft alongside Google and IBM in forecasting an imminent revolution in computing technology.
Quantum computing promises to perform calculations that would take today’s classical systems millions of years, potentially unlocking breakthroughs in medicine, chemistry, and other fields with complex molecular interactions. However, the key challenge has been managing qubits – the quantum equivalent of classical bits – which, while operating at incredible speeds, are notoriously prone to errors.
Microsoft’s Majorana 1 chip, developed over nearly two decades, is designed to overcome these challenges by leveraging a subatomic particle called the Majorana fermion. First theorized in the 1930s, Majorana fermions possess properties that can make qubits less error-prone. Fabricated using indium arsenide and aluminum, the device employs a superconducting nanowire to observe and control these particles with standard computing equipment.
“The hardest part has been solving the physics. There is no textbook for this, and we had to invent it,” said Jason Zander, Microsoft’s executive vice president overseeing long-term strategic projects, in an interview with Reuters. Describing Majorana 1 as a “high risk, high reward” initiative, Zander emphasized that while the chip currently contains far fewer qubits than rival systems from Google and IBM, the lower error rates could mean that fewer qubits will be needed to build a useful quantum computer.
Industry debates have long centered on when quantum computing will become a practical reality. While Nvidia CEO Jensen Huang recently predicted that quantum technology might not overtake conventional AI chips for two decades, Google has suggested that commercial quantum applications could emerge within five years, and IBM forecasts large-scale quantum computers by 2033.
Philip Kim, a Harvard University physics professor not involved with the research, called Microsoft’s work an “exciting development” that could advance the scaling of quantum chips. “Microsoft’s use of a hybrid between traditional semiconductors and exotic superconductors appears to be a promising route toward chips that can be scaled up into more powerful systems,” he said.
Microsoft did not provide a specific timeline for when the Majorana 1 chip might be scaled up to create quantum computers that outperform today’s systems, but its recent announcement indicates that a fundamental shift in computing technology could be on the horizon—potentially within years.
As researchers continue to refine the underlying physics and engineering challenges, the unveiling of Majorana 1 adds momentum to the global race toward achieving practical quantum computing, promising to transform industries and computational capabilities across the board.
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