Don’t waves need a medium to travel through? Isn’t space just essentially empty? I know they’re electromagnetic waves, but what does that mean essentially?
Edit: Thanks for the response guys. From your response I’ve realised there’s no way to explain to a 5 year old how light works!
In: Physics
It can be whichever one you want depending on the experiment you do when you ask the question and try and find out which one it is.
So it’s both, but it’s neither.
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