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Why Are Manhole Covers Made of Cast Iron?
00:08:41
Story of Pocket/Wrist Watches | From Pocket Watches to Smartwatches: A Journey Through History | 1.1
00:09:33
Remember When You Had to Insert a Disc to Play Music?
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Semiconductors 101: The Hidden Power Inside Your Gadgets
00:08:52
What Does It Mean When Your Car Key Fob Battery Is Low?
00:08:20
Wire Nuts: Why Electricians Trust This 100-Year-Old Invention Every Day
00:08:22
Remember When VCRs Felt Like the Future of Television? | The Sony Betamax SL-7200
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Why are School Buses Painted Deep Yellow and Black? | The Science and History Explained | 1.1
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Remember the Pixelated Snake on Your Old Nokia? | The Snake Game
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Understanding How Sandpaper Works and Shapes Surfaces
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Why Do Some Old Homes Have Two Front Doors?
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Why Do Barns Use Sliding Doors Instead of Regular Ones?
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How Do Radio Transmission Antennas Work?
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How Do Concrete Mixer Trucks Work? | Why the Drum Is Always Spinning
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Why Are CNC Machines So Precise?
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How Whiskey Is Made: From Grain to Glass
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Why Do Beer Bottles Have Ridges on the Bottom?
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What Makes Ceramic and Porcelain Tiles Ideal for Bathrooms?
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Amalgam: The Secret Formula Behind Dental Fillings & More!
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How Does a Compass Work, and How Is It Made?
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Keeping Lawns Green: The Evolution of Lawn Sprinkler Systems | 1.1
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What Is Monel and How Is It Made?
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How Alnico is Made
00:08:39
How the Vacuum Cleaner Was Invented (And Why It Changed Everything)
00:09:21
Why Skyscrapers Are Built with Steel—Not Iron
00:08:28
Eyeglasses: A Brief History of Vision Correction | 1.1
00:06:55
What Is a P-Trap and What Does It Actually Do?
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How Is Industrial Grease Made?
00:08:38
How Does Electric Current Affect Wire Size? | Electrical Safety Explained
00:08:38
How Is Peanut Butter Made? | History and Making of Peanut Butter | 1.1
00:10:46