An Introduction to Natural Waves

This first lesson is intended to serve as a refresher on what we already know – to a greater or lesser extent – about electromagnetic waves, and before we have a go with our pendulum, we’ll need to fully grasp this material and … it’s not going to be a walk in the park. But once we’ve properly understood how these waves work, everything else will be nothing but fun and a sense of wonder at the magic of the universe, which our pendulum will gradually reveal to us…