Learn about how the world works and the engineers that make it possible.

Why Engineering? Learn about what makes engineering fun and creative, and the types of engineering.

Activities Field trips and online learning games for individuals or classes.

ETC Blog More articles and information on the subjects you love.
Building Blocks
Understand how we make, move, and manipulate electric power. Learn about how we make light and motion using the energy of the electron.
Power Generation
- Generators and Dynamos
- Gas Turbines
- Steam Turbines
- Hydro – History
- AC Power Phases
- Photovoltaic (Solar)
- Passive Solar
- Windmills
- AC Power History
Motors
- Electric Motors
- Induction Motors
- Induction Motor in Tesla Cars
- DC Motors in Drones
- Who Invented the Induction Motor?
- The First Electric Motor, 1831
- The Concept of Induction
Power Transmission and Conditioning
- Transmission
- Smart Grid
- Phases
- Wires
- Insulators
- Transformers
- HVDC
- Capacitors
- Meters and Voltage Regulators
- Mercury Arc Rectifiers
- Lightning Suppression
Artificial Lighting
- Lighting Main Page
- Tour EL
- Arc Lamps
- Incandescent
- Nernst Lamps
- Neon/Argon Lamps
- Mercury Vapor
- Sodium Lamps
- Fluorescent Lamps
- Halogen Lamps
- Electroluminescent Lamps
- LEDs and OLEDs
- Metal Halide
- Induction Lamps
- Lasers
Batteries / Energy Storage
Engineering Tools and Measurement

Materials Engineering
Engineering Hall of Fame

Learn about the amazing and visionary engineers who have shaped our world! Over 65 pages covering many of the most important electrical/mechanical engineers since the discovery of electricity.
Engineering Hall of Fame Main Page »
Engineering History
AC Electric Power Sites
- Dolgeville, NY
- Appleton, WI
- New York City, NY
- Niagara Falls, NY
- Great Barrington, MA
- Willamette Falls, OR
- Telluride, CO
- Frankfurt, DE
- Redlands, CA
- Pelzer Plant, SC
- Folsom Powerhouse, CA
- Mechanicville, NY
- Schaghticoke, NY
- Cohoes Falls, NY
AC Power History

Schenectady History
ETC Videos
See our videos embedded in our pages or browse videos directly on our video channel.
Power Applications
Building complex systems and machines to labor in specific areas.
Computers and Control Engineering
- Control/Systems Engineering
- First RAM
- Capacitors
- Semiconductors
- Computers
- Magnetic Recording
- Hard Drives
- Computer Memory
- Early Computers at GE
- Vacuum Tubes
Media

- Television
- Magnetic Recording
- Radio
- Microphones
- Speakers
- Amplifiers
- Lasers
- LED and OLED TVs and Monitors
- Smart Phone OLEDs
Medical
Transportation Technology
Cars, Trucks and Trains

- Electric Cars
- Trolleys & Trams
- The Elec-Trak, Electric Tractor
- Steam Power Trains
- Diesel Power Trains
Aerospace and Nautical
- Gas Turbines (ship and jets)
- Automatic Control
- Testing Rockets at Malta
- Rocket Guidance
- Remote Control
Household Appliances
Refrigeration
Cooking
Cleaning Machines
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