Geek Fact for January 15th

In 1850, mathematician Sonya Kurtovsky Kovalevsky was born.

She faced much discrimination as a woman in the field of mathematics. Her greatest success in mathematics occurred in 1888 when she won the Prix Bordin of the French Academy of Sciences for her paper On the Problem of the Rotation of a Solid Body about a Fixed Point.

Read more about her at

In 1907, the 3-element vacuum tube, or audion, was patented by Dr. Lee De Forest.

The audion takes relatively weak electrical signals and amplifies them. De Forest is one of the fathers of the electronic age, as his Audion helped to usher in the widespread use of electronics.

Learn more at


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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