Solid State Electronics

Solid state components are the building blocks of today's electronics. Learn about the technology inside the gadgets and machines that we use every day.


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Inside an Electric Motor

Have you ever wondered what goes on inside an electric motor? We've taken apart a simple electric motor that you would typically find in a toy to explain how all the parts work. See the next page to get started.

What’s the Difference Between LCD and LED?

Flat screen TVs come in different flavors. Learn about the difference between LCD and LED in this article.

How Nanogenerators Work

Nanogenerators can harness kinetic energy to power implanted medical devices, smartphones and other small personal electronics. Do you have the power to learn how nanogenerators work?

How to Build an Electric Generator

Your son has to build an electric generator for the school science fair and he asked you to help him. Learn about how to build an electric generator in this article.

How Capacitors Work

The capacitor plays a crucial role in electronics -- it stores electrons for when they're needed most, dumping a huge charge instead of a steady flow. How does it do it?

How Does a Brushless Electric Motor Work?

The brushless motor is more precise than a regular electric motor and it's also a great deal more efficient. Learn all about brushless motors and how the invention of transistors led to their development.

How OLEDs Work

Imagine a TV that is 80 inches wide and less than a quarter-inch thick, consumes less power than most TVs you can buy today and can be rolled up when you're not using it. OLEDs can make it happen. Find out how.

How Circuit Breakers Work

The circuit breaker is one of the most important safety mechanisms in your home. Without it, the risk of fire would skyrocket. Learn how a circuit breaker keeps your home's electricity in check.

How Light Emitting Diodes (LEDs) Work

Light emitting diodes form numbers on digital clocks, send data from remote controls and illuminate watches – the simple genius of the design makes it infinitely applicable. And now, LEDs are affordable.

How Semiconductors Work

Semiconductors form the heart of modern electronics. Learn about semiconductors, silicon, doping, diodes and other fascinating technologies.

What does solid-state mean in relation to electronics?

Solid-state electronic devices are part of our everyday lives. The transistor, invented in 1947, was the first solid-state device to come into commercial use. Learn what solid state electronics are and where you can find them.

How Transistors Work

The introduction of the transistor moved the world from power-hungry vacuum tubes to portable, powerful solid-state electronics. What other advancements has the mighty transistor wrought on our society?

How Oscillators Work

Oscillators show up in lots of electronic equipment. In fact, you might be surprised to know that computers, radios, metal detectors and stun guns all use oscillators. Learn all about electronic oscillators.

How Inductors Work

An inductor is little more than a coil of wire. Sound simple? Well, it is -- but that coil of wire can do some pretty cool things. Learn all about inductors and what they're used for.

How Relays Work

Powered by electromagnets, a relay is simply a mechanical switch, and you’ll find them all over a typical house or car. Find out what these simple components are doing in all your electrical stuff.

How Electronic Gates Work

Would you like to be able to build your own digital devices? Logic gates are the basis of digital electronics. Find out what these gates do and how you can use them to start building your own devices.

How Microcontrollers Work

Most modern electronic devices (TVs, appliances, power tools) contain an embedded microcontroller. It's basically a dedicated computer. Find out how these devices work and experiment with one on your own.

How Electric Motors Work

You might be surprised to find out just how much work is done by electric motors. They're everywhere! You'll find them in your car, your kitchen, bathroom, office... Find out how electric motors get stuff moving.