I really can’t grasp the concept of waves. I can imagine it a bit for sound waves: a speaker has a surface that pushes air, and the moving air eventually pushes the membrane in our ears.
But I’m confused about wifi etc. What exactly is the thing that physically travels? Is it air or something else? Does it physically move in a wavy pattern?
Edit: thanks for all the answers! But damn I’m overwhelmed. It’s gonna take me days to read and fully understand the answers. But thanks!
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I don’t have an answer and have the same question as OP. I feel like the answers (so far) aren’t answering the question or not explaining why there may not be an answer.
Everyone is explaining what photons are and their properties but not “where” and/or how they propagate, or if there is any medium in which photons travel. I think that is what OP is asking (and so am I)
My understanding is that there is the electromagnetic field, which is all around, everywhere. Photons are little pulses through this field, that’s the particle part, and the frequency of the pulses is the wave part.
No idea if this makes sense.
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