sci tech | historygg on Instagram: "The post shares an 82-second montage video of captivating physics demonstrations, including optical illusions via moiré patterns, large-scale domino cascades illustrating chain reactions, and the chain fountain effect showcasing conservation of momentum as chains arc upward before falling. Standout segments feature a spinning bicycle wheel demonstrating gyroscopic precession—where angular momentum causes resistance to torque, a principle rooted in classical me

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