Homopolar Motor Using a Rare Earth Magnet
A homopolar electric motor uses direct current between two opposing magnetic poles. We build such…
A homopolar electric motor uses direct current between two opposing magnetic poles. We build such…
An electric motor reduced to its essentials is a machine that turns energy into rotating…
Not so long ago we wrote about using magnets, a battery, and copper wire to…
To make a simple electric train not as complicated as the picture, and have endless…
Today, we are going to explain how to make a simple compass with a 1.5…
Magnetism is all around us. We find it in ferro magnetic rocks containing iron.We can…
It is sometimes hard to imagine there was a time without electricity. Although it is…
Michael Faraday, an English scientist known for his works in electromagnetism and electrochemistry is credited…