Unchained Reaction: Gravity's Carnival
The physics of air flow inspires Team Crash Space, consisting primarily of electronics experts, to create a new sort of roller coaster for their Unchained Reaction machine.
Most Watched in Engineering
Gold Rush: Wash Plant Death
Off his game with bad cold, Dustin Hurt accidentally drops a huge boulder on the wash plant that knocks it out of action.
Gold Rush: Pushed Too Hard
Hard work and no pay sets up a confrontation between Dustin Hurt and his father Dakota Fred at the Porcupine Creek claim.
Sons of Guns: Hogzilla to Godzilla
Will and Kris meet up with Brandon and some friends to test out the hog gun. From an airboat, they spot a hog and put the muscled up, silenced, night stalking AR to use.
Gold Rush: Big Boot
Christo Doyle digs in to get the real story from Dakota Fred and Parker about Fred's "Marathon Week" of mining. Plus, Fred finally reveals the true story behind his "Big Boot" nickname...
Gold Rush: Car Crash
The crew tackles a treacherous road known for causing accidents. One of them has an accident of his own.
Sons of Guns: Desert AR15 Debut
Before General Darden arrives for the big test, Will lets one of the nuclear facility security contractors try out the Desert AR15 assault rifle on a couple of targets.
Sons of Guns: Vince Clears Out
In the middle of a panic to get the Desert AR15 assault rifle completed, Will learns that Vince has cleared out his tools and disappeared.
Recent Videos in Engineering
Towing the Space Shuttle
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: Master Welder
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: 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.
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.