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A collection of FREE, easy-to-understand science, technology, and how-it-works articles for the whole family!

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ABB (www.abb.com) is a leader in power and automation technologies that enable utility and industry customers to improve performance while lowering environmental impact. The ABB Group of companies operates in around 100 countries and employs about 13...

Car audio technical information with more than 125 individual pages, 50+ calculators and wav files. The covered topics range from basic electronics theory to more advanced topics such as speaker impedance as it relates to frequency, damping factor a...

HowStuffWorks Electronics gives you explanations, reviews, opinions, and prices for popular electronics, iPods, home theaters, and other gadgets.

Siemens is the world’s single-source leader of automation technology products for all industrial sectors. Learn more about our unique range of products and systems.

PCCL | INTERACTIVE PHYSICS | HOME | Physics and Chemistry by a Clear Learning : free online learning for sciences | Educational support in interactive flash animations in the physical sciences and chemistry in High School, Midle School, Upper School,...

Learn about electrical power systems and its operation. Understand what it takes to get the power from the generators located over vast distances to your house or your business. This site is not just about numbers and equations but a view of power sy...

PowerWorld Corporation - Providers of Power Systems Analysis Software, Power Market Analysis, LMP Analysis, Locational Marginal Price Analysis, Real-Time Power System Visualization, Real-Time Power Systems Analysis, Integrated Topology Processing, Op...