Unchained Reaction: Water Wheelin
Team NAC, consisting of special-effects and prop animation experts, test the water wheel they built for their fire-and-ice-themed chain-reaction machine.
Most Watched in Engineering
Flying Wild Alaska: Surprise Invitation
Ariel Tweto receives a surprise invitation from her cousin to go crabbing on the frozen Bering Sea. Then, Ariel impresses her father on a small task he had assigned to her.
A Gunsmoke customer enters the shop with a challenge for Rich. The customer challenges Rich to build a better custom Barrett gun than a custom chopper.
Blimp explains the many superstitions of shrimping. He soon faces his own bad luck when his boat's winch breaks.
Sons of Guns: Armored Crowd Control
Officer David Liang of the New Orleans Police Department arrives at Red Jacket with a Ferret armored car that Will and his team will convert to a vital urban crowd control vehicle.
American Guns: Sniper Shooting Bet
After Kurt worked so hard on engraving the .50 caliber Barrett rifles, Rich puts the money on the line just to get an opportunity to shoot the king of sniper guns.
Ragin Cajuns: Going for the White Gold
Captain Trae Cooper of the Lacy Kay has added a new deckhand to the crew in hopes that his new recruit will add to their productivity.
Unchained Reaction: Rocket No-Go
Initially hopeful about their rocket, this early test showed Team Aerospace that some additional tinkering would be necessary for their machine to work.
Bering Sea Gold: Bering Sea Dredge Boats
Meet the dredge boats of the Bering Sea.
Capable of taking off and landing in a vertical position, "The Harrier" became important to US military air support. Find out how the U.S. Marine Corps advanced this historical plane.
Rich and Kurt reveal the custom-made Winchester Yellow Boy gun to their cowboy client.
American Guns: Helping A Wounded Vet
Rich works with a disabled Army veteran to create a custom hunting rifle that will allow him to fire from his right side.
Wanna see a cool bar trick? Scam School shows you how to become a Human Chimney.
Recent Videos in Engineering
How can a Toyota Tundra with a 10,000-pound towing capacity pull a 300,000 pound space shuttle? Scott Benjamin of CarStuff delves into the physics at play during the space shuttle's final journey to the California Science Center in Los Angeles.
Sons of Guns: Jesse James Lets Loose
After Will Hayden receives a surprise visit from Jesse James, he gives him a chance to shoot many guns from the Red Jacket collection in the range.
Sons of Guns: Jesse James Surprise
Just when Will and his team thought it was another day at the shop, they receive a surprise visit from Jesse James.
The Red Jacket crew works on building an aluminum Browning automatic rifle for Jesse James. During the build, Jesse James gives Flem a quick lesson in welding.
Sons of Guns: Custom BAR Build
Will Hayden runs his Red Jacket crew - including Vince - through the plans to customize a BAR for Jesse James.
Sons of Guns: First Submachine Gun
A rare gun collector brings in a German Schmeisser MP 28, a variation of the first infantry submachine introduced at the end of World War I.
Sons of Guns: Jesse Opens Fire
Jesse James takes his new customized Red Jacket-style BAR out for a firepower spin.
Bering Sea Gold: Dredger Funnies
Have some fun with a few of our favorite Bering Sea Gold outtakes.
Bering Sea Gold: Don't Call Me A Thief
Scott Meisterheim gives After The Dredge host Thom Beers his thoughts on the fight with Wild Ranger owner Vern Adkinson.
Bering Sea Gold: What Is Gold?
After The Dredge host Thom Beers brings in UC Santa Barbara scientist Doug Fischer to help explain exactly what gold is and where it originates.
Bering Sea Gold: Zeke Drops A Bombshell
Seemingly out of nowhere, Zeke accuses the Sluicey crew of making back-handed deals.
Bering Sea Gold: Cosmic Gold Origins
Our gold science expert Doug Fischer shares more about where gold came from billions of years ago.