If not the current topic, what would you have chosen as the final presentation topic in Physics?

If not the current topic, what would you have chosen as the final presentation topic in Physics?
What made you interested in this topic?
Write a summary about the physics of the topic.
If given a chance, how will you present (mode of presentation) this topic to the audience (eg: PowerPoint, model, in-class demo, etc).
What details will you present to the audience? Provide a step-by-step approach to the topic.
Enlist all the resources that you have used for reference. (Wikipedia is not an accepted reference medium.)