Look at a lightbulbs element that exists in its oxygen free atmosphere and think about you and the earth.

Look at a generator and its magnets and then look at the earth.

Think about what your organic physical being does (makes electricty by converting organic matter)

Think about what controls your brain (electricty/magnetism)

Look at the spinning magnet in the harddrive of your computer.

Now think about what your standing on and start putting it together.

The earliest observers where sooth sayers druids ect their predictions where mearly observations of lunar and celestrial patterns and once geometry was complete the secret was out.