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How It's Made Mini-Episodes: Levels
The level was invented in the 17th century to keep structures plumb and true. In this minisode of How It's Made, find out how levels are created to help us with all of our construction needs.
Added: Apr 27, 2011
Views: 2729 Views
Runtime: 05:07
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Glass BlocksGlass blocks became a cornerstone of Art Deco architecture in the 1920s, and they're still popular today. In this minisode of How It's Made, find out how glass blocks are made from just four basic ingredients.How It's Made Mini-Episodes (05:07)
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Police WhistlesIn the late 19th century, London police started using a special lightweight whistle to get attention with its piercing sound. In this minisode of How It's Made, find out how today's sturdy brass police whistles are made.
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Change MachinesChange machines were invented in the 1950s in response to the vending machine boom. Early machines were simple mechanical change makers. In this minisode of How It's Made, find out how today's high-tech change machines are created.
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FaucetsFaucets were actually invented by the ancient Romans, but it took many centuries for running water to make a comeback after the fall of the Roman empire. In this minisode of How It's Made, find out how modern faucets are created.
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PliersPliers date back to about 2,000 BC; Ancient drawings show Greek gods using pliers at the forge. In this minisode of How It's Made, find out how one of the world's handiest tools is forged from scratch.
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Cathode Ray TubesThe CRT, short for Cathode Ray Tube, was invented in 1879 and is used to produce images on TVs and computer monitors. In this minisode of How It's Made, find out how cathode ray tubes are created.
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Wooden BarrelsIn the old days, wooden barrels stored all manner of goods because they were easy to move. Today, they're mainly used for storing fine wine and spirits. In this minisode of How It's Made, find out how wooden barrels are created.
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Traditional Snow ShoesHistorians believe the ancestors of North American native peoples brought snowshoes with them when they migrated from Asia 4,000 years ago. In this minisode of How It's Made, find out how traditional snow shoes are made today.
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Automotive Fuel PumpsHow does gas get from your fuel tank to the engine cylinders? Without a pump in the gas tank, you'd be going nowhere, fast. In this minisode of How It's Made, find out how automotive fuel pumps are made.
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Shock AbsorbersShock absorbers smooth your ride and counteract the bounce when you hit a bump. Shocks affect the steering, stopping and stability of cars. In this minisode of How It's Made, find out how the shock absorbers in our cars are made.
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DuvetsDown is the belly feathers of waterfowl, mainly ducks and geese. These lightweight, highly insulating fibers are perfect for use in cozy duvets and comforters. In this minisode of How It's Made, find out how down duvets are made.
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Automotive SeatsSeating in cars has come a long way since cars were invented in the 19th century. Early seats had no padding, springs, or belts. In this minisode of How It's Made, find out how the automotive seats are made.
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