Huawei has unveiled τ Scaling, a novel approach to semiconductor development that shifts focus from size to speed, marking a departure from Moore's Law. This strategy emphasizes optimizing the characteristic time τ across all levels of semiconductor design, from transistor switching to system communication, aiming for faster, more efficient chips. The τ Scaling theory involves four layers: transistor switching speed, circuit signal transmission delay, chip computation and memory access latency, and system communication time synchronization. Huawei's approach includes innovations like LogicFolding, which increases transistor density by 55% and energy efficiency by 41% without advancing manufacturing processes. Additionally, AI data centers will benefit from reduced communication time and enhanced integration, potentially increasing AI hardware integration by over 100 times by 2035. Huawei's τ Scaling represents a significant shift in semiconductor strategy, focusing on 3D stacking and system architecture improvements to enhance performance and efficiency, setting a new direction for the industry beyond traditional scaling methods.