
What is a glueball?
Daniel and Kelly’s Extraordinary Universe
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The Physics of Quantum Particles
No information can move instantaneously in the universe. And you sort of need this idea of particles that transmit the force because these forces are not as far as we can see instantaneous. In fact, that's how you make photons. You take electrons and you wiggle them. That's what an antenna is. So you can interpret these ripples in the field, sometimes in terms of real particles,. They have certain properties, special ripples, or if there are other kinds of ripples then we just call them virtual particles.
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