MythBusters: Let's Talk Buoyancy
The MythBusters test buoyancy and explain the science behind why boats float.
Most Watched in Engineering
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.
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."
Mega Excavators: Dragline Excavators
Discovery Channel's "Mega-Excavators" visits a strip mine in Wyoming to watch the Ursa Major dragline in action. Ursa Major is the largest dragline excavator in North America.
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.
Really Big Things: Tunnel Boring Machine
On Discovery Channel's "Really Big Things," host Matt Rogers checks out a tunnel boring machine named Becky that's building one of the largest tunnels ever made.
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.
Recent Videos in Engineering
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.
Mega Engineering: Kiva Robots
In this clip from Discovery Channel's "Mega Engineering," find out how Kiva robots have revolutionized the shipping industry in the United States and how that technology could be used to develop sophisticated personal pod car systems.