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- Season 1 1993-12-10
- Season 2 1994-12-16
- Season 3 1995-08-20
- Season 4 1996-09-02
- Season 5 1997-08-17
- Season 6 1998-07-27
- Season 7 2000-01-03
- Season 8 2001-01-08
- Season 9 2002-01-02
- Season 10 2003-01-01
- Season 11 2004-01-16
- Season 12 2005-01-05
- Season 13 2006-01-04
- Season 14 2007-01-17
- Season 15 2008-01-07
- Season 16 2010-01-14
- Season 17 2010-10-29
- Season 18 2011-10-03
- Season 19 2013-07-16
- Season 20 2021-02-20
- Season 21 2021-07-25
- Season 22 2021-11-28
- Season 23 2022-02-16
Season 23 Episode
- Season 10 Trans-Siberian Railroad
- Season 10 Castles & Dungeons
- Season 10 Ice Road Truckers
- Season 10 Winter Warriors
- Season 10 Booby Traps
- Season 10 The Alcan Highway
- Season 10 Twin Towers of the East
- Season 10 The Mackinac Bridge
- Season 10 Bullet Trains
- Season 10 Non-Lethal Weapons
- Season 10 Space Stations
- Season 10 Army Corps of Engineers
- Season 10 Black Hawk: Night Stalker
- Season 10 Japanese Guns of WWII
- Season 10 Titanic Tech
- Season 10 Coal Mines
- Season 10 Secrets of the Acropolis
- Season 10 Machine Guns
- Season 10 Ball Turret Gunners
- Season 10 U.S. Guns of World War II
- Season 10 MiG 15
- Season 10 T-34: Russian Victory
- Season 10 Tank Crews
- Season 10 Harley-Davidson
- Season 10 Torture Devices
- Season 10 Cosmodrome
- Season 10 Exterminator
- Season 10 Million Dollar Guns
- Season 10 High Voltage
- Season 10 4x4
- Season 10 Dangerous Cargo
- Season 10 Gunslingers
- Season 10 More Engineering Disasters
- Season 10 Engineering Disasters 4
- Season 10 Nature Tech: Tsunamis
- Season 10 Logging Tech
- Season 10 Breaking the Sound Barrier
- Season 10 Car Crashes
- Season 10 Sandhogs
- Season 10 Convertibles
- Season 10 Loading Docks
- Season 10 Terror Tech: Military
- Season 10 Nature Tech: Tornadoes
- Season 10 Military Movers
- Season 10 Police Guns
- Season 10 Terror Tech: Defending the Highrise
- Season 10 Bullets
- Season 10 Aircraft Carrier
- Season 10 The Gunboats of Vietnam
- Season 10 Metal
- Season 10 Landmines
- Season 10 Space Shuttle Columbia
- Season 10 Overseas Highway
- Season 10 Terror Tech: Civilian
- Season 10 Machu Picchu
- Season 10 The PT Boats
- Season 10 The Battleships
- Season 10 Early Machine Guns
- Season 10 Smart Bombs
- Season 10 Lake Pontchartrain Causeway
- Season 10 Inviting Disaster 1: Three Mile Island
- Season 10 The Luftwaffe
- Season 10 Panzers
- Season 10 U-Boats
- Season 10 Inviting Disaster 2: The Kursk
- Season 10 FBI's Crime Lab
- Season 10 Inviting Disaster 3: Challenger and Columbia
- Season 10 Inviting Disaster 4, Building Failures
- Season 10 Shipyards
- Season 10 Guns of the Sky
- Season 10 Extreme Trucks
- Season 10 Guns of Infamy
- Season 10 ET Tech
- Season 10 Million Dollar Cars
- Season 10 The Technology of Lewis and Clark
- Season 10 B-52: Stratofortress
- Season 10 Extreme Sports Gadgets
- Season 10 Rolls Royce
- Season 10 Tailgating
- Season 10 Wheel Estate
- Season 10 Sports Cars
- Season 10 Technology of Kitty Hawk
- Season 10 Egyptian Pyramids
- Season 10 The Berlin Wall
- Season 10 Toys
- Season 10 Engineering Disasters 5
Modern Marvels - Season 10 Episode 50 Metal
7.90 44 minutes They constitute the very essence of the modern world; the cadence of our progress sounds in the measured ring of the blacksmith’s hammer. From soaring skyscrapers and sturdy bridges to jet planes and rockets, metals play a key role. Our journey begins before the Bronze Age and takes us into the shiny future when new metal structures–engineered at a molecular level to be stronger, lighter, and cheaper–shape human progress, as they have since man first thrust copper into a fire and forged a tool.
