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How to draw a circle?

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Far more than the average family car? A palm-sized inline four! The whole process of assembly!

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50 years ago, the first person to be frozen was American billionaire Bedford. How is he doing now?

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Decompression video of the workers series!

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Convex lens experiment

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I heard you are good at physics.

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What happens when the moon wakes up?

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How a Car Engine Works

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Gravity potential energy utilization solution based on real physics engine

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How did a black hole with 6.5 billion times the mass of the Sun form?

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The incredible "Feng Shui Stone Ball" weighs 29 tons. Why can it float and rotate on the water?

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Hens lay eggs every day without mating with roosters. So what’s the point of having roosters at all?

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Which is more impressive, the Yangtze River or the Amazon River? Why do people say the Amazon River

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What is the resolution of the universe?

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What is a black box? What exactly is inside it? Decrypting the flight recorder

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my country drills world's deepest borehole at 11,100 meters. What are they looking for?

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Relativity (14): Mathematicians discover that parallel lines can intersect, thus pioneering a new ki

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