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MythBusters: Big Rig Myths

Related Article: Learn more about bicycles

Is it possible for a bicycle to cruise in the wake of a big rig? The MythBusters get a bike and a semi and find out.

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How Roller Coasters Work (1:25)

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 Diesel Locomotives Work (1:15)

Trains have been around for hundreds of years, but now they use a new hybrid technology. See how diesel locomotives work in this HowStuffWorks video.

How Drawbridges Work (1:24)

A drawbridge is a bridge over a body of water that opens up to allow boats and ships to pass through. Watch this video from HowStuffWorks to learn how it works.

Build It Bigger: Kinetic Madness (1:57)

Roller coasters use physics to create breathtaking and terrifying thrills in amusement parks across the world. Watch a video from the Discovery Channel.

Steepest Wooden Roller Coaster in the World (1:15)

Watch this Reuters video to see the T-Express roller coaster ride at the Everland Park amusement park in South Korea. The T-Express is a wooden roller coaster with the steepest drop in the world.

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What the Ancients Knew: Drum Crane (1:19)

Romans built huge buildings and arenas to impress and intimidate their enemies. A drum crane was used to lift and build anything with a massive weight. Learn more with host Jack Turner of The Science Channel's "What the Ancients Knew."

What the Ancients Knew: Roman Cannon Balls (0:47)

Romans used catapults to attack their enemies. Learn more in this video from The Science Channel's "What the Ancients Knew."

Mechanical Monsters: Evaluating Ramp Surfaces (0:57)

Each ramp surface most be thoroughly evaluated to ensure that each team's truck is built for the job ahead.

Mechanical Monsters: Traction and Momentum (3:13)

Traction and momentum must be carefully considered while the teams construct their monster trucks.

Mechanical Monsters: Defying Gravity (3:59)

The teams work on trying to get the most air time out of their monster trucks.

Mechanical Monsters: Critical Vehicle Components (3:29)

The critical components of any vehicle, epically a monster truck, must be carefully considered.

Mechanical Monsters: Balancing the Forces of Tension (3:33)

The effects of tension have to be carefully considered when building a monster truck.

Mechanical Monsters: Conditions for Optimal Performance (2:31)

Defining the conditions of optimal performance is a difficult and challenging duty.

Mechanical Monsters: Climbing Cars Components (1:52)

The teams are forced to scramble to find components to add to their monster trucks to compete in the car-climb challenge.

Mechanical Monsters: The Challenge of the Climbing Cars (4:31)

The challenge of the climbing cars poses a challenge for the competing teams.