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Blast from the Past: A Vintage Engineering Video on Differential Gears

Ever wonder how cars can make turns without skidding? Well, you have engineers to thank – more specifically, those who invented the differential (a device which allows the wheels of a car to turn at different speeds).

This vintage engineering tutorial, made by the General Motors, clearly and engagingly explains how differential gears work. Posted on YouTube last year, it has now received close to a million views – not bad for something made in 1937!

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Unlocking a 4,500-Year-Old Secret

The Great Pyramid of Giza is the oldest and most intact of the Seven Wonders of the Ancient World. Built as a tomb for Egyptian Pharaoh Khufu around 2560 BC, it was the tallest man-made structure in the world for over 3,800 years.

Now, a robotics team from Leeds University in the UK will attempt to unlock one of the pyramid’s greatest secrets: what lies behind a hidden doorway in the Queen’s Chamber.

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Happy E-Week!


If you haven’t heard already, this week (Feb. 14th-20th) is National Engineers Week. We at eGFI couldn’t be more excited, and hope that you’ll join the festivities. Many schools and universities across the nation have special events planned. If you’re near DC, you can visit us at Discover Engineering Family Day (Sat. Feb. 20 at the National Building Museum), where engineering daredevil Nate Ball will be demonstrating his ATLAS Ascender. Swing by the eGFI table and enter to win a free iPod Touch!

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Happy Birthday, Gustave Eiffel

Wired’s (12/16, Alfred) “This Day In Tech” blog reports that on this day in 1832, Gustave Eiffel was born in Dijon, France. In addition to designing the Eiffel Tower and the internal framework for the Statue of Liberty, his “other engineering works include the Porto viaduct over Portugal’s River Douro, the Pest railway station in Hungary, and the Nice observatory dome and Sioule Bridge in France.” He was also “the chief engineer of the locks in the unsuccessful French effort to build the Panama Canal.”


Wired’s “This Day In Tech” blog reports that on this same day in 1832, Gustave Eiffel, a French structural engineer, was born in Dijon. Does his name sound familiar?

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Ada Lovelace: Computer Whiz of the Victorian Age

Ada Lovelace

Augusta Ada King, Countess of Lovelace was born in 1815 to famous British poet Lord Byron and his wife, Annabella. Her parents provided her with a rich education in science and mathematics, both of which Ada showed incredible aptitude for from an early age.

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