Paper Craft Ideas on Instagram: "Turn a simple stack of paper into the ultimate stress-buster! This origami fidget cube flips endlessly, letting you open, fold, and flip it again for instant relaxation. It’s lightweight, pocket-friendly, and keeps your hands busy — perfect for study breaks, work stress, or just passing the time. #origami #experiment #papercraft #diy #stressrelief"

Ai Youth Stack on Instagram: "China is already deploying AI-powered river cleaning robots to fight pollution. These autonomous vessels patrol rivers without human control. They use GPS, sensors, and AI vision systems to detect floating trash, optimize cleaning routes, and separate waste from harmless debris. Machine learning also helps monitor water quality by analyzing pH, oxygen demand, and turbidity in real time. Once full, the robot automatically returns to shore, empties the waste, and head