The Motley Foolยท2025-07-14 08:50Core Insights - Quantum computing is a rapidly advancing technology based on quantum mechanics, which remains complex and not fully understood [2] - Warren Buffett, despite his philosophy of not investing in businesses he cannot understand, has indirect investments in quantum computing through Alphabet, IBM, and Microsoft [2] Company Summaries - Alphabet: The company has made significant strides in quantum computing, achieving quantum supremacy in 2019 and advancing in quantum error correction in 2023. It has a roadmap with four more milestones to reach practical applications in about five years [5][6] - IBM: IBM has been working on quantum computing since 2016 and has a clear roadmap since 2020. The company claims it will be capable of running quantum programs at a large scale by the end of the decade, positioning itself as a leader in fault-tolerant quantum computing [7][8] - Microsoft: Microsoft maintains a stake in quantum computing and has introduced the Majorana 1 quantum chip, which is expected to solve significant industrial problems in the near future. The company is also integrating AI technologies, which could drive substantial growth [9][11] Industry Context - The quantum computing sector is seen as a wild card for the future of these companies, despite the complexities involved in the technology [12] - AI is a transformative factor for Alphabet, IBM, and Microsoft, with each company leveraging AI to enhance their cloud services and product offerings [10][11]