1 ton for 100 yuan or 100 tons for 1 yuan—which one would you choose?

Rong Mama's Acupuncture Tutorial: Which is Hotter, 100-degree water or 100-degree oil?

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High voltage toys 2

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Convex lens experiment

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"Motion of an Electric Creeper in a Uniform Magnetic Field"

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Electromagnetic experiment

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Calculus for beginners, Episode 1

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Damn, Am I Seeing Sound Now?

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High Voltage Toys 9

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Why is steel colored after cutting? #Science #Unzip #Metalworking #CoolKnowledge

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Girl tears up other people's test papers in high school entrance exam#

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The power of science

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Today's stress-relieving video: an awesome mechanical series~

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Hanabi❤️Use her belly to catch a 0.92-ton iron ball, and each like will increase the initial speed b

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How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge

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I was so excited to have a big meal on my first flight!

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It's okay to bully yourself, but it's not okay to hurt your friends. The male protagonist got angry

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Let’s take a look at some amazing work sites!

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Incredible seed growth process!!

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Stickman vs. Math (First Draft) Unreleased 1st Draft

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Mathematical Genius

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