How a 3D Helix becomes a Sine Wave (3D)

How a 3D Helix becomes a Sine Wave (3D) – Professor of Tricks

Next time someone tries to explain vibration and frequency on a flat board or screen, remember that it is actually a 3-D effect that you are observing – with very different dynamics than you may realize.
Things are not always as they seem and many of us are stuck in a 2-D perspective of our reality. There is so much more out there. Think TORUS and toroidal – and so many questions will be answered.