How do radio and Wi-Fi signals actually work?

Question

I don’t think I was ever taught this but thinking about it it seems like suck a futuristic concept and I wanna know how they both work. Like, how do these things send invisible, intangible signals?

In: 65

Answer 1

I’d love someone to tie these awesome explanations into why or how wifi, 5g etc couldn’t possibly damage or mess with your cells or brain synapses. For these folks that believe this, the radiation being non-ionizing isnt remotely enough.