A neck therapy massage roller offers a simple, effective way to relax tight muscles and improve daily comfort. This popular wellness tool attracts strong interest in self-care, fitness recovery, ergonomics, and lifestyle niches

Chinese schools are testing the SPARK AI Grader P30 system: an AI-based device that checks homework, tests and exams. Teachers simply upload a stack of notebooks, and the machine recognises handwritten text, analyses answers and assigns grades according to specified criteria. The system can check a class of 40 students in about three minutes. The AI takes into account writing style, typical sc