

Israel and trump appear to be claiming to have defeated the Iranian air defense, and achieve air supremacy over the Iranian capital.
If that’s true then Iran is in deep trouble, and inviting them to surrender wouldn’t be unreasonable. I very much doubt that it is true, but that’s what they seem to believe
No, it’s not. In physics, we call the entire spectrum “light”, because it’s all fundamentally the same thing.
We can talk about “visible light”, but that’s a subset of light in general. Microwaves, radio waves, x-rays, gamma radiation, and any other section of the spectrum you can think of are all light