Capacitors work with AC power systems to do different jobs including store power and fix timing differences between current and voltage. Capacitors are very important on the big scale electric grid, and in the small scale in electronics. Learn more in the videos below.

Watch the videos below to learn about history and types of capacitors and ultracapacitors.

How a Capacitor Works:


Types of ultracapacitors:


Inventing a better capacitor: the story of GE at Hudson Falls, NY in the 1970's and 80's



Learn about semiconductor devices:

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Semiconductor Electronics

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