

Modern Marvels: Engineering
פרקים
עונה 1 פרק 1 – Engineering Disasters 20
5 בדצמבר 200643 דקותExplore the series of events that led to one of the worst industrial accidents in the United States, look at what went wrong with NASA's Skylab in 1974, and examine the fire that destroyed a gas company in 2005.ניסיון בחינם ב-HISTORY Vaultעונה 1 פרק 2 – Size Matters: Pyramids: Majesty And Mystery
22 במרץ 199745 דקותStanding majestically for centuries, great pyramids have long inspired and mystified scholars. Leading experts and historians explore the engineering genius that created some of the largest structures on the planet.ניסיון בחינם ב-HISTORY Vaultעונה 1 פרק 3 – Machu Picchu
23 בספטמבר 200345 דקותThe engineering marvel Machu Picchu sits perched on a ridge in the Peruvian Andes. Originally built by the Incas, this magnificent structure remains a mystery. Was it an observatory? Pleasure retreat? Fortress?ניסיון בחינם ב-HISTORY Vaultעונה 1 פרק 4 – Barbarian Battle Tech
3 במרץ 200744 דקותIt's clear from the bow that nearly brought down Rome, the suspension system that revolutionized the chariot, and the axe that named a country that barbarians and technology aren't such a contradiction after all.ניסיון בחינם ב-HISTORY Vaultעונה 1 פרק 5 – Engineering Disasters 21
24 באוקטובר 200744 דקותA steam pipe explosion rocks a summer day in Manhattan; Boston's Big Dig highway project suffers a major setback; rush hour in Minnesota turns deadly as a bridge plunges into the Mississippi River.תוכן זה אינו זמין בשל פקיעת תוקף של הזכויותעונה 1 פרק 6 – Modern Marvels: Mt. Rushmore
10 בפברואר 199643 דקותDiscover the incredible tale of how Gutzon Borglum created the world's largest sculpture by carving the faces of four U.S. presidents into the Black Hills of South Dakota.ניסיון בחינם ב-HISTORY Vaultעונה 1 פרק 7 – Modern Marvels: The Great Wall Of China
21 ביוני 199745 דקותWinding 6,000 kilometers through undulating mountains, it is said to be visible with the naked eye from the moon. But who called for the Great Wall's construction? And how was it accomplished?ניסיון בחינם ב-HISTORY Vaultעונה 1 פרק 8 – Modern Marvels:: China's Great Dam
12 בספטמבר 200045 דקותSupporters see it as key to a new China, but critics voice a litany of concerns. Trace the story of China's Three Gorges Dam from ancient flood control to current controversy.ניסיון בחינם ב-HISTORY Vaultעונה 1 פרק 9 – Brooklyn Bridge
30 בספטמבר 199546 דקותRare photographs and behind-the-scenes stories recall the politics, the struggles, and the tragedies that made possible an engineering feat of almost miraculous proportions.ניסיון בחינם ב-HISTORY Vaultעונה 1 פרק 10 – Building A Skyscraper: The Arteries
6 בספטמבר 200444 דקותLearn how development of electricity and indoor plumbing made skyscrapers possible as the veins and arteries of the California Department of Transportation headquarters in LA are installed.ניסיון בחינם ב-HISTORY Vaultעונה 1 פרק 11 – Building A Skyscraper: The Human Environment
6 בספטמבר 200445 דקותIn hour three of a crash course on mega-skyscraper construction, take a closer look at the human element involved in the development of systems like air conditioning and pressurized elevators.ניסיון בחינם ב-HISTORY Vaultעונה 1 פרק 12 – Engineering Disasters
21 בפברואר 199945 דקותFrom the Colossus of Rhodes and Egypt's pyramids to the Hoover Dam and the Space Shuttle, mankind has celebrated the work of engineers. But what happens when their calculations prove wrong?ניסיון בחינם ב-HISTORY Vaultעונה 1 פרק 13 – Engineering Disasters 13
15 בנובמבר 200444 דקותDeath seeps out of the ground into a neighborhood sitting on a toxic waste dump; soldiers die due to software flaws during Desert Storm; the science of demolition is put to the test - and fails.ניסיון בחינם ב-HISTORY Vaultעונה 1 פרק 14 – Engineering Disasters 15
29 בנובמבר 200444 דקותA deadly accident traps hundreds in a smoke-filled Alpine tunnel; three boilers explode on a Mississippi riverboat; a cockpit warning system malfunctions, causing a crash before the jetliner ever takes off.ניסיון בחינם ב-HISTORY Vaultעונה 1 פרק 15 – Engineering Disasters Of The 70's
29 במאי 200744 דקותTo err is human, but when the error results in the loss of life, it's a disaster. Learn about the sinking of the Edmund Fitzgerald, the Buffalo Creek Dam disaster, and the explosion of a tanker in Los Angeles harbor.ניסיון בחינם ב-HISTORY Vaultעונה 1 פרק 16 – More Engineering Disasters
28 בנובמבר 199944 דקותThroughout history the same builders and engineers that paved man's path out of the caves and into the modern world also caused some of mankind's worst disasters. Revisit notable disasters and their probable causes.ניסיון בחינם ב-HISTORY Vaultעונה 1 פרק 17 – Gothic Cathedrals
18 במרץ 199547 דקותBuilt of stone, glass, persistence and prayer, gothic cathedrals are an epiphany of imagination and an articulation of joy, including Chartres, Notre Dame and the National Cathedral in Washington D.C.ניסיון בחינם ב-HISTORY Vault