Microsoft has introduced the Majorana 2, a quantum chip that may represent a significant development in the company's quantum computing efforts. The chip is said to feature improved qubit stability, with some reports indicating that qubits can last up to 20 seconds. The introduction of the Majorana 2 is part of Microsoft's push to accelerate its quantum ambitions, with some outlets suggesting it could lead to the development of a scalable quantum computer as early as 2029.