The Standard Model (What Don't I know?)

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The Standard Model posits that fundamental forces are mediated by the exchange of elementary particles. A hypothetical material that blocks photons could suggest that an object wrapped in it might be unaffected by electromagnetic forces, but this raises questions about the nature of particle exchange. The discussion also touches on the graviton, speculating that if it exists and could be blocked, it might allow for defying gravity; however, gravity is fundamentally linked to the curvature of spacetime, making this unlikely. Additionally, while lead is effective in blocking certain interactions, it does not block magnetism, which is also an electromagnetic force. The complexities of particle exchange and the nature of forces remain central to understanding the Standard Model.
MrJohnnyPrice
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A big part of the theory of the standard model is that the major forces are mediated by the exchanging of elementary particles. So hypothetically, if we discovered some material that blocked the photon, for example, does this mean an object wrapped in this material would be unaffected by the electromagnetic force?

Basically this is a question about what kind of exchanging of particles we're talking about. Is it an exchange in the sense of how atoms exchange electrons, or am I completely off?
 
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Last I checked, Lead works pretty well.
 
Oh, so follow-up question: If the graviton exists, and if there is a material to block it, we would theoretically be able to defy gravity?
 
Gravitons are speculative and even if they existed, I don't believe so. Gravity is the curvature of spacetime and thus the attraction between two objects wouldn't be affected by a material between the two objects.

Nabeshin said:
Last I checked, Lead works pretty well.

Lead doesn't block magnetism, which is an electromagnetic force.
 

Thread 'Need help understanding particle physics and quantum physics'

So I know that electrons are fundamental, there's no 'material' that makes them up, it's like talking about a colour itself rather than a car or a flower. Now protons and neutrons and quarks and whatever other stuff is there fundamentally, I want someone to kind of teach me these, I have a lot of questions that books might not give the answer in the way I understand. Thanks
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