Tsunamis
A basic idea of what a tsunami is and how it is formed.
The catastrophes of the world are nearing their evident times of rupture. The deadlines are passing and people are getting nervous about the natural disasters that could take out life as we know it.
A layman’s look at how scientists use earthquake activity and measurements to determine the makeup of the center of the Earth.
Why isn’t the theory of magnification based on lenses, heat, and light not being used today?