Geek Fact for December 31st

In 1744, James Bradley announced the discovery of Earth’s motion of nutation, or wobble.

James Bradley discovered nutation, the oscillation of the earth’s axis, caused by the changing direction of the gravitational pull of the moon on the equatorial bulge.

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In 1897, Thomas Edison gave his first public demonstration of incandescent lighting. 

Thomas Edison delighted an audience in Menlo Park, New Jersey during the demonstration with the words, “Now it’s on. Now it’s off.”

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In 1974, Popular Electronics displayed Altair 8800 computer.

For just $439, Popular Electronics said that it was “the most powerful computer ever presented as a construction project in any electronics magazine.”

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In 1997, Microsoft bought Hotmail.

Today, Hotmail has provisioned well over a billion inboxes and has several hundred million active users around the world.

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About the Author

Judy Novotny

Judy is a computer veteran with 30 years of experience. She has owned everything from a TRS-80, Apple IIe and various Windows-based PCs. She is currently living in her Apple ecosystem at home consisting of an iPhone, iPad, iMac, MacBook, Apple TV, iPod nano and two Time Capsules. She is a fan of all things mobile since she got her first Palm Pilot in 1999. Check out her iPad app, Number Wizard, in the App Store. Follow her on Twitter @junovotech or at