The idea of the bridge

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One thing is clear: if physics is made of events and exchanges, then something is needed that makes the exchange possible. It is not enough to say that two entities interact, we must ask ourselves how entities enter into relation and this is where the idea of a bridge is born.

Why "Bridge"

The term Bridge is not a literary metaphor, but a precise conceptual choice. A bridge is not a source, an autonomous object, a new fundamental entity. A bridge is what connects two systems, which allows a passage, which exists only as long as the passage takes place. Applied to physics, this means a simple but radical thing: the bridge is not an addition to the system but the physical condition of the exchange.

Mediating is not to sum

In the standard way of telling physics the interactions add up, each force contributes with its own term, the result is a combination of independent effects. The idea of the bridge changes perspective.

   Mediating means that the exchange takes place through a common structure, that the interactions do not act separately but are different channels of the same physical process. No longer "this particle undergoes more forces" but "this particle participates in a mediated exchange" The bridge does not add complexity but reduces it, because it unifies 

The exchange as a structured event

If there is a bridge, then the exchange is not instantaneous in the physical sense it is not punctual, it is not without structure. During the interaction, the energy does not "skip" from one point to another but is temporarily organised by means of the bridge. This fact introduces a crucial idea: the exchange has a physical geometry, even if microscopic.

Intuitive introduction of DEMS

At this point it is possible to introduce the idea of DEMS (Dipole Electromagnetic Source) not as a new particle, not as an abstract field, but as a temporary configuration of charge that is born during the exchange.
   The DEMS can be thought of as an energy bridge that connects two charges and takes into account the balance between what is emitted and what is absorbed. It only exists while the event is taking place, when the exchange ends the bridge gradually disappears.

The deep meaning of these considerations

In the previous post we asked ourselves the question: what happens physically during an interaction? Now we give the first possible answer: a mediated exchange happens and every interaction requires a physical bridge.
   Here we are not yet explaining everything, we are only affirming a necessity: if there is a real exchange, there must be something that makes it physically possible.

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