Science Buddies
Science Buddies: Build a Reed Switch Motor
After building a simple electric motor from a kit, with this experiment you can explore how voltage affects motor speed. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction,...
PBS
Pbs: Tesla, Master of Lighting
Inventor Nikola Tesla is the subject of this extensive PBS site. In addition to information on Tesla's life and work, the site offers insight into the ways in which society and invention affect each other.
Other
Corrosion Doctors: Nikola Tesla
Research scientist and Professor Pierre R. Roberge presents this extensively researched, documented and well written look at the life and contributions of Nikola Tesla. A great number of links, quotes and references are provided at the...
Interactive Mathematics
Interactive Mathematics: Complex Numbers
The world of complex numbers is explored through mini lessons, interactive examples, applications and demonstrations. Topics covered include definitions, basic operations, graphing, different forms of complex numbers, products,...
Other
Herb Research Foundation: Home Page
This site contains comprehensive information about herbal remedies, including current research, common uses and health benefits, guidelines and historical information.
Other
Electoral Reform Society
This British website is home to a not-for-profit group promoting alternative democratic voting systems. Students studying representative government can examine if Canada's current First-Past-the-Post system best suits Canada's changing...
TED Talks
Ted: Ted Ed: Why Aren't We Only Using Solar Power?
Solar power is cheaper and more sustainable than our current coal-fueled power plants, so why haven't we made the switch? The real culprits here are the clouds, which make solar power difficult to control. Alexandros George Charalambides...
Georgia State University
Georgia State University: Hyper Physics: Ac Circuits
A very comprehensive site organized well with many topics dealing with AC circuits.
National High Magnetic Field Laboratory
Magnet Academy: Guitar Pickup
Keith Richards and Eric Clapton owe their fame and fortune (in part) to electromagnetic induction. (Java tutorial)
National High Magnetic Field Laboratory
Magnet Academy: Pixii Machine
This "magneto-electric machine" was the first to turn motion into electricity. (Java tutorial)
Great Idea Finder
The Great Idea Finder: Inventor George Westinghouse Biography
A very readable biography of George Westinghouse, Jr., inverntor of the train air brake, among many other things. Find a list of his achievements and a discussion of the development of his inventions.
Texas Instruments
Texas Instruments: Ac Circuit Analysis
This electrical engineering activity uses a TI graphing calculator to analyze AC circuits including sine waves, capacitance and inductive reactance, solving series AC circuits, and RMS calculations.
Other
Westinghouse Electric Co.: George Westinghouse
A brief biography from the company that bears his name. George Westinghouse was a prolific inventor, and this biography recounts his many inventions, beginning with the air brake which greatly increased safety on the railroads.
National High Magnetic Field Laboratory
Magnet Academy: Inductive Pendulum
Get the swing of electromagnetic induction with this simple tutorial. (Java tutorial)
Library of Congress
Loc: Westinghouse Works, 1904: George Westinghouse
Read a brief biography of George Westinghouse, who invented the air brake, making trains much safer. Find out how he was responsible for some very important concepts in the delivery of electricity.
Famous Scientists
Famous Scientists: Nikola Tesla
An article discussing the life and career of Nikola Tesla.
Concord Consortium
Concord Consortium: Measuring Time and Frequency
The voltage in AC circuits oscillates at a rate known as the frequency. With an oscilloscope, see and measure the length of time between signals, and calculate the frequency of an AC signal.
Concord Consortium
Concord Consortium: Measuring Phase in Ac Circuits
See how oscillations in an AC circuit don't always rise and fall together.
Creative Science Centre
Creative Science Centre: Dc Converter and Electrical Storage for Shake a Gen
This simple device uses a few components to rectify the alternating current (AC) from the shake-a-gen, store it in a capacitor and convert it into a steady direct current (DC). The output can be used to run a low power device. It is also...
Science4Fun
Science4 Fun: Nikola Tesla
Brief biographical sketch of Nikola Tesla, famous electrical engineer who invented the alternating current transmission system.
Florida State University
Florida State University: Molecular Expressions: Ac Generator Action
Molecular Expressions at Florida State University offers a java applet to show the a working AC generator.
Tech Target
What Is: Resistance
A short summary of resistance and how it is measured. Including information on AC and DC.
Other
Team Rocs: Resistance vs. Impedance
Compares resistance and impeadance using the example of car audio.
Ducksters
Ducksters: Kids Science: Electricity 102
Kid's learn more about the science of electricity. How its measured and generated.