A 68-year-old retired man from the countryside invented a magical bicycle and won several patents.

Ten Miles of the Yangtze: The World’s Most Out-of-the-Box Self-Rescue

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The Mechanical Beauty of Speed Bumps

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Incredibly satisfying! Hydraulic press crushing compilation—smooth, seamless, and super stress-relie

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History of Bearing Development

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Fun Science Experiment

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Scientific Experiment

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Introduction to Steam Civilization

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Electrical Knowledge

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Volcanic Eruption

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How to Properly Escape a Mirror Maze

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Everyone should learn CPR—this life-saving skill can make all the difference in a critical moment!

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Seven Minutes to Help You Understand "Science Kick" Better

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1 Ton Worth Over 100 Million! How on Earth Is This Sky-High–Price Imperial Green Jade Formed?

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Which sex position can help last longer? Doctors analyzed data from 1,900 people.

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A great woman who manages the household well! Every word she says makes perfect sense!

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This is called a climbing-free device; we used to climb manually, but most of them have been upgrade

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Craftsmen all have stubborn tempers!

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Want to surpass us? No way!

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Electrician Wiring Tutorial

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What is the name of my country's first atom D?

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