Massive Engines: Bucket Wheel Excavator
Travel to Germany and get a glimpse of one of the world's largest land machines. On Discovery Channel's "Massive Engines," host Chris Barrie gives a tour of the bucket-wheel excavator.
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How Roller Coasters Work
Roller coasters don't have engines, accelerators or brakes, So what makes roller coaster cars speed up, slow down and loop upside down? Get the inside track on the quintessential thrill ride.
Extreme Engineering: Balancing a Bridge
When building a brand new bridge, it's important to build it in balance. Learn about the giant task of bridge building in this clip from "Extreme Engineering" on Discovery Channel.
Massive Engines: London Tower Bridge
On Discovery Channel's "Massive Engines," host Chris Barrie explains the science behind the London Tower bridge. The London Tower Bridge uses hydraulic pressure to open and close the bridge.
Discovery Channel: Mining Iron Ore
On Discovery Channel's "Really Big Things," mining iron ore starts with drilling 60-foot holes in a drill pattern and filling the holes with explosives. Once the ore is blasted out, trucks collect the rock.
How Do They Do It: Container Ship
This ship is the size of a small town and travels at approximately 50 kilometers an hour. Learn more about the container ships used to transport groceries and goods across the world on Discovery Channel's "How Do They Do It."
HowStuffWorks Show: Episode 12: Steel Bridges
Bridges such as the Golden Gate Bridge would have been impossible to build without steel. Learn some of the benefits of steel compared to other bridge building materials on Discovery Channel's "HowStuffWorks" show.
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Killer Robots videos on HowStuffWorks include the best, most popular Killer Robots videos anywhere on the Web. Check out our Killer Robots videos.
How It's Made: Stainless Steel
Stainless steel was invented in the early 20th century. The key ingredient, chrome, forms a protective oxide film on the surface. In this minisode of How It's Made, find out how shiny stainless steel material is made.
Machines: Bowling Pinsetters
Have you ever wondered how your bowling pins are lined up perfectly all the time? And how your bowling ball always seems to find its way back to you? Find out how it works.
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