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Videos

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How is rock wool made? And compared with asbestos, which poses a greater health risk to humans?
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2:36
What is a “dust bunny”? Why do those years‑old flecks of dust under the bed always turn into fluffy
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2:40
How terrifying is a flash fire, exactly? A worker was blown away by the shock wave in just one secon
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3:10
The incredible Tesla turbine, with an efficiency of up to 95%—so why hasn’t it become widespread in
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2:31
The amazing “flip-top spinning top” can spin against gravity along the tabletop—do you know how it w
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2:24
What is a “geotextile tube”? When you pump sludge into a fabric bag, something fascinating happens!
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2:48
The trendy “evil cultivation” pet among today’s youth: the Face Worm! Why would anyone keep a lump o
5 Views
2:49
The pinnacle of human ingenuity! When two fans are pointed at each other, an intriguing phenomenon o
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2:38
The Most Explosive Metal: Antimony — A Bizarre 19th-Century Wonder Drug That You Could Wash and Eat…
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2:55
Why do aeroengine blades have to be assembled according to their serial numbers? One wrong move and
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2:28
Crazy Dudeney Dissection! How can you turn a square into an equilateral triangle with just three cut
1 View
2:19
Incredible “Locked Pen Tip”! Twist the pen barrel hard with your hands, and something fascinating ha
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2:38
Black Jade Continuous Paste for Big Ships: Heavy Oil! Why Do Aircraft Carriers Prefer Burning Heavy
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2:33
What Is Simple Harmonic Motion? When Two Small Balls Are Released Simultaneously, Something Amazing
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2:38
Incredible Oloid Blender: Unique Design Meets Over 70% Energy Savings!
4 Views
2:45
How Strong Is Spider Silk, Really? When 25,000 Spider Silk Threads Are Tied to a Water Tank, Somethi
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2:29
The Ultimate Anti-Vibration Solution! Why Can a Tiny Hammerlike Damper in Stockbridge Eliminate Powe
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3:48
How to Save Yourself After a Car Plunges Into Water? Master These Techniques and Escape Alive When I
4 Views
2:24
Why Does Microsoft Insist on Placing Data Centers Under the Sea? Uncover the Science Behind the Serv
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3:31
How Far Is 1 Light-Year? It’d Take 225 Million Years on Foot—But How Long Would the Fastest Craft Ta
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