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How the GEnx Engine Came to Be

Published: November 07, 2017
Running time: 6:44

GE Aviation’s GEnx engine is the world's first commercial jet engine with both a front fan case and fan blades made of carbon-fiber composites. It features 3D printed parts and other advanced materails. This video tells the story of how it was...

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Semiconductors: What They Are and How They Work

Published: October 31, 2017
Running time: 4:45

A semiconductor is a solid material that has a conductivity between that of an insulator and that of most metals.

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DomesDay Crushes It

Published: October 31, 2017
Running time: 5:20

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Bipolar Junction Transistor

Published: October 24, 2017
Running time: 6:52

The invention of transistors revolutionized human civilization like no other technology. This video animation from Learn Engineering demonstrates working of a bipolar junction transistor (BJT) with its practical applications such as an amplifier...

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Metallurgy Breakthrough: 3D Printing High-Strength Aluminum

Published: October 10, 2017

Researchers at HRL Laboratories LLC have designed a new method that enables high-strength aluminum alloys, as well as high-strength steels and nickel-based superalloys, to be used in 3D printing.

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