There are centrifugal fans that are quite flat but they intake airflow from a different axis they exhaust it from. Could still work

Calling it radiation gives the layman an implication that it’s dangerous i.e. ionizing radiation. This is electromagnetic radiation, just radio waves.

You don’t need iodine, this isn’t going to give you radiation sickness, but it is a little surprising.

Cameras don’t record reality, they record light - lighting is 100% key.

Even a 30 minute lighting tutorial online could be helpful for the majority of people who aren’t photographers by trade