What do photons carry information about?

AI Thread Summary
Photons carry information about the electric and magnetic fields that produce them, acting as force carriers for electromagnetic interactions. They also convey details about the color and shape of objects they interact with, as seen in light perception. The discussion touches on concepts like polarization, fiber optics, and virtual photons, emphasizing their role in various physical phenomena. Additionally, topics such as interference patterns from Young's double-slit experiment and the bending of light due to gravitational effects are relevant. Overall, the exploration of what photons carry information about encompasses both fundamental physics and practical applications.
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hey, I am in a course that's building special and general relativity with logic and is non mathematical. I have done some E&M before and covered maxwell's equations...

the question that I am trying to answer is "what do photons carry information about"?

my quick response was the electric and magnetic fields that produce them. and since they are the force carriors of the E&M force they carry information about the strength and direction of these fields...

can you guys help me build on that? or add something to it I haven't. I am thinking about light, and well when you see colors they those photons carry information about the color of the object they were just in contact with or the shape of it...

am i on the right track?
 
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You didn't use the word "polarity".
 
i talked about fiber optics virtual photons and Mram... also included polarization. anything else you guys can think of?
 
Young's 2 slit (interference, diffraction), EPR, curvature of space demonstrated by bending of light from distant astronomical objects, emission and absortion lines in spectra...
 

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