3 Real-World Problems That Quantum Computers Could Help Solve On World Quantum Day, we explore the potential of quantum computers in addressing real-world challenges and advancing scientific progress to benefit human society. 1. **Drug Development** Traditional computers struggle to accurately simulate complex molecular structures, a critical hurdle in drug development. Quantum computers, however, can handle these simulations with much greater efficiency. By precisely modeling the interactions between drug molecules and target molecules in the human body, quantum computers can significantly accelerate the discovery of new drugs. In 2021, Google achieved a breakthrough in molecular simulation using its quantum computer, "Sycamore," demonstrating the vast potential of quantum computing in pharmaceutical research. 2. **Climate Change** Quantum computing can also play a crucial role in climate modeling and prediction. Current climate models, due to their high computational complexity, often fail to capture all the intricate details of global climate patterns. Quantum computers can process more complex models, enhancing the accuracy of climate predictions. In 2022, IBM announced plans to develop a quantum system specifically for climate change research over the next five years. This initiative is expected to markedly improve climate research capabilities, helping scientists better understand and address global warming. 3. **Optimization Problems** Many industries face complex optimization challenges, such as supply chain management, financial investment, and transportation scheduling. Quantum computers can swiftly find the optimal solutions to these problems, thereby increasing efficiency and reducing costs. In 2020, D-Wave Systems showcased the practical application of its quantum computer in logistics optimization, offering a new and promising approach to these industry-specific issues. Looking ahead, quantum computing is poised to bring about revolutionary changes in these fields, delivering substantial benefits to both businesses and society. World Quantum Day is not only a celebration of the achievements in quantum technology but also a moment to look forward to the future. As the technology continues to evolve, the applications of quantum computers in drug development, climate change research, and optimization problems are becoming increasingly promising. These advancements could fundamentally transform how we tackle complex challenges, paving the way for significant improvements in various sectors of our society.