[Mentor's Note: Post split off from this thread: https://www.physicsforums.com/threads/are-tracks-in-collision-experiments-proof-of-particles.857255/] I'm sorry, If a photon is a particle of energy, or bosom, and neither matter nor energy can be created nor destroyed, what happens to the photon as light reaches its limit and dissipates. What does a particle of energy become? In fact, do the tracks of particles in the collider mean that particles simply leave? Where do they go? Or do they change into energy after colliding? Energy dissipating? Is this what Entropy means? Then all the matter in the universe is losing mass by being either made of energy or being held together by such in the first place? Just how far does photon go before it ceases to be? Same with the electron. The force that propels it is the photon, yet the electron only goes so far as the volt sends it in whatever conductor is used. When forces in nature balance the lack of electrons with static electricity, photons also push this electricity from cloud to ground and ground to cloud. But what happens to the photons? Are they part of the balancing process between cloud and ground, or dissipate as light given off from the charge? And where to photons go in the lightning that goes upward from clouds? And why the different color of the charge? When substances are heated, they light up. Are photons part of the structure of atoms? Electrons can move to higher levels when atoms are "excited". Where do photons go? They must be there. They most be there in abundance. Because if we were to say, split an atom of iron, wouldn't this cause a release of energy that would include photons. In some models, introducing a neutron to an atom causes an atom to "give off" a photon. What happens to this photon. In fact, in a nuclear reaction do all neutrons released manage to find another atom. Or do many "miss" them to hit atoms that rather than split, merely give off a photon? After all the radioactive matter of a nuclear reaction is split, do other substances change into different elements having nuclei containing new numbers of neutrons, and thus becoming an ion, but also is different yet similar to other ions because they lack a photon? How many photons is it possible to get from a single atom? I imagine fewer if the nucleus is small. But even then, considering the release of light energy from the fusion of hydrogen and or helium, there are many photons existing, or are they "in potential" in atoms? So when does a photon actually begin? Maybe like a may fly, it has a very short life unless pushed along by some other "force"? So is the light that streams from a flashlight electrons pushed along by photons, or photons given off by a filament pushing them in waves by what force? Are photons then a unit of force acting upon itself, or does some other force act upon them? Are they visible units of energy pushed along by some other undetected energy? Light bulbs that only remain lit as long as power is gven to them? When that force dissipates, not only do the light bulbs go off, but they disappear?