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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.

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.

Inside an Electric Motor

These electric motor pictures take you inside a typical toy motor. Find out how everything works with electric motor pictures. See more »

What’s the difference between LCD and LED? Visit to learn more about the difference between LCD and LED. See more »

How Nanogenerators Work

Nanogenerators can harness kinetic energy to power implanted medical devices, smartphones and other small personal electronics. See how nanogenerators work. See more »

Learn about how to build an electric generator in this article. Visit to learn more about how to build an electric generator. See more »

Gadget Savvy: Electric Motors Quiz

This electric motor quiz will test your knowledge about this versatile piece of modern technology. Check out this electric motor quiz from HowStuffWorks. See more »

How Capacitors Work

The capacitor plays a crucial role in electronics -- the capacitor stores electrons for when they're needed most. Learn more about the capacitor. See more »

How does a brushless electric motor work?

Discover the differences between the "normal" electric motor and a brushless electric motor that make brushless electric motors more efficient. See more »

How OLEDs Work

OLEDs are a type of light emitting diode that is made of thin films of organic molecules. Learn about OLEDs and how OLEDs will be used in televisions. See more »

How Circuit Breakers Work

Circuit breakers are an essential safety component in any home electrical system. Learn about home circuit breakers and breaker design. See more »

How Light Emitting Diodes Work

Light emitting diodes form the numbers on digital clocks, send data from remote controls and light up traffic signals. Find out how LEDs work. See more »