-1
votes
1answer
49 views

How electromagnetic fields affect the human body? [closed]

I was wondering about how electromagnets affect the human body in terms of is it harmful in close proximity? Also, how is the pull force of two magnets of the opposing poles facing each other ...
2
votes
3answers
105 views

Electric impluses inside nerve cells

I'm not a biologist, nor physicist, but there is one thing I try to understand about the elecricity inside human body. I wasn't sure whether place this question here, or perhaps on biology portal, but ...
4
votes
2answers
958 views

How do stun guns not kill people?

Now, I've seen a lot of answers to this sort of question, but most of them provide answers that don't actually make sense from a physics perspective. As an example of such an answer, I've commonly ...
2
votes
2answers
193 views

Can wireless power transfer harm organic life by anyway?

Now, humanity can beam 50-60 watts power through 10 centimeter-thick concrete block. Can such wireless power transfer harm us by anyways?
7
votes
3answers
1k views

What's the source of electricity for the human brain?

I keep hearing that there's always electrical activity taking place inside the human brain. Our heart and various other organs function because it receives electrical signals called impulse. But, ...