By understanding how an electric motor works you can learn a lot about magnetism and its relationship with electricity, and what better way to learn how a motor works than by building your own basic motor. But first, a little about the fundamentals of electricity and magnetism.
This blog post will look at how a speaker works and how you can make your own basic speaker.
Every audio speaker uses permanent magnets whether the speaker is in your car, in your stereo, your earphones or your smartphone. Permanent magnets provide the force that makes the component in the speaker that creates the sound, move.
Ordinarily, heat and electronics aren’t the best of companions; even less unsuited partners are heat and some magnetic materials!
However, a new technology being developed by Seagate for the next generation of storage devices, known as ‘heat-assisted magnetic recording’ is breaking the convention. The technology is heralded as revolutionary and could significantly increase the amount of data that can be stored on a hard drive by increasing storage density.