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Industry

U.S. researchers develop mini CPU that computes with solar power, raising prospects for battery-free semiconductors

Researchers at Pennsylvania State University have developed a self-powered integrated circuit that harvests energy from ambient light, detects chemicals in liquid and performs computing without a battery. The chip vertically integrates a graphene sensor, semiconductor logic and a silicon solar cell in a three-layer structure using 2D materials such as MoS2 and WSe2. The team said tighter integration can cut area, interconnect length, power loss and signal delay, with potential use in hard-to-access IoT and edge devices.

Industry

Samsung Electronics returns to PC chip market after more than 10 years. What is it really aiming for?

Samsung Electronics is developing an AI PC chip called Gaia, marking a return to the PC chip market after more than 10 years. The effort coincides with the launch of its Galaxy Book6 Edge laptop using Qualcomm\'s Snapdragon processor. The company is discussing supplies with some PC makers and is targeting mass production as early as next year. The move comes as Qualcomm, Intel and AMD intensify competition in PC chips.

AI & Enterprise

Z.ai co-founder says cutting-edge AI should be open to everyone

Jie Tang, co-founder of Chinese AI company Z.ai, said cutting-edge AI should be disclosed as widely as possible and accessible to anyone. His remarks run counter to moves by governments and major AI firms to tighten access limits over concerns about misuse of high-performance models. The comments came after reports that China is considering restricting overseas access to advanced AI models, as debate intensifies over security and openness in AI development.