Engineering in 40 seconds

Engineering Videos

Famous collapses, record builds and happy accidents, each told in under a minute with the lesson engineers still use on site. Turn the sound on for the narration.

1940 · Bridge failure · 41 sec

Galloping Gertie: The Bridge That Danced Itself to Death

Drivers came from miles away to ride its waves. Then one November morning, the bridge started to twist.

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2004–2010 · Record build · 38 sec

Ice, Moonlight and 606 Metres: How Burj Khalifa's Concrete Was Poured

Ice in the mix, pours at midnight and a world pumping record. Concrete engineering at 828 metres.

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2013 · Design flaw · 41 sec

The Walkie-Scorchie: The Skyscraper That Melted a Jaguar

A businessman came back to his parked Jaguar and found it melting. The culprit was across the road.

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1945 · Happy accident · 39 sec

The Melted Chocolate Bar That Invented the Microwave Oven

A radar engineer reached into his pocket and found melted chocolate. Popcorn and an exploding egg came next.

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2000 · Bridge failure · 41 sec

The Wobbly Bridge: When 90,000 Walkers Shook London

London's millennium footbridge closed two days after opening. The problem was the people walking on it.

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1173–2001 · Foundation failure · 46 sec

Saved by a War: The Engineering Behind the Leaning Tower of Pisa

It began leaning before the third floor was finished. A war, a curve and some clever digging kept it standing.

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