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
Bering Sea Gold: Zeke Drops A Bombshell
Seemingly out of nowhere, Zeke accuses the Sluicey crew of making back-handed deals.
After purchasing a new piece of equipment, Parker Schnabel's mine is working quite efficiently until his excavator suddenly breaks down and halts all operations.
Bering Sea Gold: Bar Fight Stabbing
After a big Christine Rose pay day, Shawn and Cody go to grab a few drinks but run into a jealous knife-wielding thug who starts a fight.
Sons of Guns: Prepping for Action
Watch how the Sons of Guns production crew must prepare to set up a safe live fire weapon reveal.
Gold Rush: Parker Goes Klondike
Before returning to school, Parker Schnabel heads north to the Klondike to check out some of the larger gold mining operations that start him thinking about making a new start.
Bering Sea Gold: Signals Crossed
Wild Ranger greenhorn Jason Walker gets confused about diving signals and pulls Capt. Scott up out of the water when he should be letting him drop to the bottom.
Large Dangerous Rocket Ships: School Rules
These ASU students hope their race-winning rocket will prove that school smarts and first place trophies go hand in hand.
Off his game with bad cold, Dustin Hurt accidentally drops a huge boulder on the wash plant that knocks it out of action.
Large Dangerous Rocket Ships: Tiki Bar Takeoff
Its one of the most inventive rocket designs in LDRS history. The idea of a tiki bar rocket is awesome. But will it really fly? Kari Byron is playing it safe and taking cover.
Imagine if you could power light bulbs with pencils. In this clip, Dr. Ainissa G. Ramirez, Associate Professor of Mechanical Engineering & Materials Science at Yale, describes graphene, and how it may revolutionize civilization. www.seas.yale.edu
Rich and Kurt reveal the custom-made Winchester Yellow Boy gun to their cowboy client.
Bering Sea Gold: The Christine Rose
Meet Steve and Shawn Pomrenke and the other crewmen of the Christine Rose.
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.