Geek Fact for November 22nd


In 1904
, the first U.S. direct current, electric motor patent was issued to Mathias Pfatischer.

Alternating current (AC) machines largely replaced DC machines in most applications following the invention of the induction motor.

Learn more at http://ecmweb.com/archive/direct-current-motor-basics.

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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 Junovo.com.