It’s very crudely animated, which is part of its charm, and even without an advanced GUI it has the potential to make a physics lesson more fun. Radio Waves & Electromagnetic Fields is a fun little Java simulation that aims to demonstrate how radio waves work, within a magnetic field. Anyway, why would you hope to find a proper physics lesson inside a review of an app? Go find a good teacher, preferably one that uses Radio Waves & Electromagnetic Fields as a tool. If you find my explanation crude and not satisfactory, that is because I am quite bad at physics. Since radio waves are electromagnetic radiation, they are also produced by moving electrons. An electromagnetic field is produced by an electrically charged object, which involves at least one moving electron.
Along with gravity, the weak interaction and the strong interaction, electromagnetism is one of the four fundamental forces of nature.
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