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Sometimes the only way to really understand something is to go back to the very beginning. Here I build lessons and interactive experiments that start from the basics and move one step at a time.

PhysicsBeginnerIn progress
Introduction to Electricity
What exactly is voltage, why does current flow through a wire, and what does Ohm's law really say? An introductory course that starts with electric charge and works up to electrical power, with small experiments along the way.
The lessons are being written. The course will be published here once it's ready.
What's inside
1. Foundations
  Charge and field: the building blocks of electricity.
2. Circuits
  Voltage, current, resistance and power.

Introduction to Electricity