![Discovery Education: Build Your Own Perpetual Motion Machine [Pdf] Lesson Plan](https://static.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png "Discovery Education: Build Your Own Perpetual Motion Machine [Pdf] Lesson Plan")
Discovery Education
Discovery Education: Build Your Own Perpetual Motion Machine [Pdf]
A lesson plan for students to explore the conversion of energy from electrical energy to kinetic energy by constructing a homopolar motor. Also by constructing the motor, students can investigate magnetism, electricity, and RPM.
National High Magnetic Field Laboratory
Magnet Academy: Isidor Isaac Rabi
Isidor Isaac Rabi won the Nobel Prize in Physics in 1944 for his development of a technique for measuring the magnetic characteristics of atomic nuclei. Rabi's technique was based on the resonance principle first described by Irish...
National High Magnetic Field Laboratory
Magnet Academy: Induced Current
A current can be induced in a conducting loop if it is exposed to a changing magnetic field. (Java tutorial)
National High Magnetic Field Laboratory
Magnet Academy: Maglev Trains 1984
The railroad industry began in the frontier days, magnetic levitation has moved it squarely into the space age.
National High Magnetic Field Laboratory
Magnet Academy: Anders Celsius
Anders Celsius is most familiar as the inventor of the temperature scale that bears his name. The Swedish astronomer, however, also is notable as the first person to make a connection between the radiant atmospheric phenomenon known as...
National High Magnetic Field Laboratory
Magnet Academy: Oersted Satellite, 1999
Named in honor of Danish physicist Hans Christian Oersted, Denmark's first satellite has been observing and mapping the magnetic field of the Earth.
National High Magnetic Field Laboratory
Magnet Academy: Walther Meissner
Walther Meissner discovered while working with Robert Ochsenfeld that superconductors expel relatively weak magnetic fields from their interior and are strongly diamagnetic. This phenomenon, commonly known as the Meissner effect or the...
National High Magnetic Field Laboratory
Magnet Academy: John Ambrose Fleming
John Ambrose Fleming was an electronics pioneer who invented the oscillation valve, or vacuum tube, a device that would help make radios, televisions, telephones and even early electronic computers possible. A brilliant innovator,...
Sophia Learning
Sophia: Electric Circuits: Lesson 3
This lesson will explain how to calculate voltage, current, and resistance in simple electric circuits. It is 3 of 4 in the series titled "Electric Circuits."
National High Magnetic Field Laboratory
Magnet Academy: Electromagnetic Induction
In 1831, Michael Faraday carried out numerous experiments to prove that electricity could be generated from magnetism. He not only demonstrated electromagnetic induction, but also developed a good conception of the processes involved....
South Carolina Educational Television
Know It All: Understanding Electricity | Nasa Online
If you want to understand electricity, you first need to know a little about matter, atoms and electrons.
National High Magnetic Field Laboratory
Magnet Academy: Kelvin Water Dropper
The legendary Lord Kelvin made electricity from water with this ingenious electrostatic generator. (Java tutorial)
Cosmo Learning
Cosmo Learning: Applied Science and Technology 210: Electrical Engineering
A collection of video lectures from a course that explores the application of electrical engineering topics. Webpage includes twenty-eight lectures from a professor at the University of California, Berkeley. Lectures vary in length and...
National High Magnetic Field Laboratory
Magnet Academy: Inductive Reactance
Like resistance, reactance slows an electrical current down. Explained by Lenz's Law, this phenomenon occurs only in AC circuits. (Java tutorial)
Science Buddies
Science Buddies: Abracadabra! Levitating With Eddy Currents!
Did you know that not all trains run on tracks? Some of the world's fastest trains are magnetic levitation trains (maglev). This means that the carriage of the train is suspended over the rails with no support, but only with magnetic...
Florida State University
Florida State University: Inductance
This article surveys inductance and its different forms. It discusses numerous topics associated with inductance such as Faraday's Law, self and mutual inductance, inductors, and magnetic field lines.
University of Wisconsin
The Why Files: Got a Jones for Indiana Jones?
Archeologists use radar, magnetic, electrical sensors to see through the ground, find where to dig, sonar, ground-penetrating radar.
Georgia State University
Georgia State University: Hyper Physics: Potential Energy
This site from Georgia State University Physics Department defines and explains the concept of potential energy. Using equations and graphics to illustrate the idea, it discusses the many types of potential energy (gravitational,...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Electromagnets
This lesson plan contains several activities designed to help the student understand the magnetic effects of an electrical current.
National High Magnetic Field Laboratory
Magnet Academy: Timeline of Electricity and Magnetism: 1960 1979
Computers evolve into PCs, researchers discover one new subatomic particle after another and the space age gives our psyches and science a new context.
National High Magnetic Field Laboratory
Magnet Academy: Timeline of Electricity and Magnetism: 1870 1879
The telephone and first practical incandescent light bulb are invented while the word "electron" enters the scientific lexicon.
National High Magnetic Field Laboratory
Magnet Academy: Timeline of Electricity and Magnetism: 1850 1869
The Industrial Revolution is in full force, Gramme invents his dynamo and James Clerk Maxwell formulates his series of equations on electrodynamics.
National High Magnetic Field Laboratory
Magnet Academy: Timeline of Electricity and Magnetism: 1840 1849
The legendary Faraday forges on with his prolific research and the telegraph reaches a milestone when a message is sent between Washington, DC, and Baltimore, MD.
National High Magnetic Field Laboratory
Magnet Academy: Timeline of Electricity and Magnetism: 1940 1959
Defense-related research leads to the computer, the world enters the atomic age and TV conquers America.
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