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What is an "oxygen candle"? Do you know how burning can actually produce oxygen?
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Why can the boomerang fly back
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There are no such things as "useless people" in this world—when properly utilized, everyone is a tre
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Use inertia to remove parts. #PopularScience #Unzip #Inertia #SlidingHammer
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Why do sprinkler heads keep knocking when irrigating farmland? #Science #Decompression #Irrigation #
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Why do we need to grind off the bark? This is the process of peeling and rounding the wood before pe
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Can ice bullets really withstand the high temperature of gunpowder and become invisible after being
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[Black Cat] Pokémon Sand Sculpture Cold Knowledge! Who are the heaviest, tallest, lightest and strongest Pokémon?
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How a vibrator works
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[Black Cat] The history of the Pokémon series
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How are the patterns painted on ceramics? #Science #StressRelief #Pottery #LearnSomethingNew
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Gear latch process principle
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[Goat] A shameless devil's advocate?
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[Shen Ji Zhu Tan] Dragons, a mysterious species, willingly descended to the mortal realm and ultimat
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Have fun before the crash
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3D Animation Demonstration: What Happens Inside the Rescued Person's Body When You Perform CPR
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"Emergency Hedging"
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What is "ice-like snow"? What secrets lie behind the specialized slopes for alpine skiing at the Win
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The ancient navigational tool "Sextant" is still in use today! Do you know how it works?
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How do fishing nets work? Why are they able to catch fish even though the bottom is empty?