How do you visualize Electro-magnetic waves? Like you do for atoms and

1.	How do you visualize Electro-magnetic waves? Like you do for atoms and sound waves.
Answer» The flow of energy at the universal speed of light through free space or through a material medium in the form of electric and magnetic fields that make up electromagnetic waves such as radio waves, visible light and gamma rays. Sorry, But what exactly is the thing that oscillates .....as there are molecules in other waves. I want to know what these waves are?...like what are they made of? Are those waves actually like some kind of energy like thing? Electromagnetic waves that compose electromagnetic radiations can be imagined as a self-propagating transverse oscillating waves of electric and magnetic fields.

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