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Part One - The Beginning
Discovering what energy is and understanding about this basic unit of the universe, prime energy. How this simple particle expands and then collapses releasing vast quantities of energy allowing the structures of matter to take shape forming the universe we now see.

LET US BEGIN
To begin to understand magnetic force and how magnetism works we have to start by coming to terms with a concept of energy as something outside physical matter.

( physical matter - That which has mass and occupies space.)

We are all familiar with energy after all it comes out of the electricity socket in the wall, it runs the television, powers the computer and lights, as liquid petrol it runs the car, even as heat from the sun it warms the beach in summer. But this is energy at work, to begin at the beginning we must first have a picture in our mind of energy as an entity on its own, something else outside our normal perception of stuff.

We will begin our journey very appropriately by getting a train, not any train a high speed train.

To move the train picks up electricity from an overhead electric cable and passes this to electric motors on the wheels of each carriage, these wheels in turn grip onto the track converting this energy to motion. So doing the train reaches its top speed of 300 Km/hr. If the power is suddenly switched off the train will begin to slow down and eventually stop, even without the use of any breaks. So why, you probably know the answer, friction. Friction with the air which the train has to push through, friction of the wheels on the track, friction within the motors and gearboxes. The friction converts the residual energy in the train back into heat which is then dissipated into the surrounding air.

This residual energy, the energy that keeps the train in motion after the power is switched off is called Kinetic Energy, this is the amount of energy contained within a body in motion above and beyond the energy it has while at rest. You can work out the amount of Kinetic Energy in the train by calculating the time it took for the train to stop, the friction coefficient of the air resistance, the internal friction of all the moving parts and the motion vectors of the train weight against the track. Or on the other hand you can just use the simple formula : -

KE = M x V2 /2. where M is the mass of the train (weight in Kg) and V is speed (m per second)

In this case we have a train weighing 252 metric tons, it is travelling at 300 kilometers an hour.

This gives the train a Kinetic Energy value of - 2590264 kilojoules

Now as this is a hypothetical train it has no one on board it is just a train, so we can play about with it. First let us take away all that distracting scenery it is passing and just have the train running on a track in the middle of nowhere.

To keep it going we still have to put in energy or it will gradually slow down, we have to put in enough energy to overcome the friction of air, internal mechanicals and its weight on the track.

If we remove all these sources of friction then we would not have to put in any further energy but we would still have a train travelling at 300 kilometres an hour. So lets remove the air and the track and finally the power supply.

We now have a train in the middle of nothing, in deep space in fact. The external friction has gone, the internal parts have stopped moving, so the train has nothing to slow it down, it is still travelling at 300 kilometres an hour, and will do so forever.

Let us now take one final leap in our imagination and remove the train, the metal carriages, the windows, seats, lights, heaters every solid object that goes into making the train. These is nothing left, but wait.........

" What is it hal......"

" Put on you 6D spectacles Dave "

We have all seen 2D and 3D and 4D's just rubbish but 6D, not the most fashionable of spectacles but now there is something. In the place where the train was there is something, a wisp, a shadow, if we look closer we see small specks, dancing in loops and circles, just like dust in caught in a shaft of sunlight coming through a gap in the curtains of a darkened room. It is a whiff of the something else, of energy, the Kinetic Energy that was contained within the body of the train but not part of it. The energy was a traveller on the train just as a passenger would be, it would get on and it would get off but we stopped it getting off, we removed the train. The 2590264 kilojoules of energy is now travelling at 300 Km per hour.

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Part 1 - The Beginning ŠA. J. Kemp - 2005 - May 2012