You know what boggles my mind about electromagnetism?
I'm sure you heard about the Perpetuum Mobile mechanism. This has nothing to do with electromagnetic waves, but the concept somewhat applies.
Say you generate an electromagnetic wave. Probably a radiowave, or an x-ray, or probably even a gamma-ray(which are the strongest). This wave is going to travel... well, infinitely. At least until it encounters something that can totally absorb it, else it will reflect and continue its travel.
I haven't learned very much my physics lesson about electromagnetic waves this year, but I remember they maintain this "motion" because they're basically composed of 2 types of energies: magnetic and electric. I don't remember this part, but in its motion, the magnetic field generates an electric field until it's depleted, then the electric field generates a magnetic field and so on. I might be wrong about this, but it's what I remember.
How can this happen? How come it doesn't loose its energy?
At the beginning of the 20th century, when astronomy started being more popular and researched, Hubble discovered (I think he is the one, I might be wrong again) that objects in the sky(stars, galaxies, nebulas) which are travelling away from us emit a redshifted light( the light tends to be reddish). The objects that travel towards us ar blueshifted.
At first, scientists couldn't explain this, but in 1929 Fritz Zwicky offered a possible explanation: the light, after having travelled such a great distance, has become 'tired', essentially loosing some of its energy.
He was proven wrong.
It's all about the Doppler effect, those objects travel at such high speed that the wavelength is lengthened. Or shortened, if they travel towards us. You can very easily observe the Doppler effect with sound sources. Know the ambulance sound? Pay attention next time one passes near you guys, and you'll know what I'm talking about.
Actually this discovery has participated at the validation of the Big Bang theory. In about the 50', scientists predicted that the Universe, having cooled down to a low enough temperature, must had emitted at about 300.000 years a type of radiation that's nowadays called "cosmic background radiation". Now, that light exists even today, but it is so old that because of it's traveling and expansion of the spacetime web, it has become microwave radiation.
COBE, a satellite launched in the 90', proved this to be right.
Now imagine this: that energy has been emitted billions of years ago( probably 15, more or less) and it still exists. And that "energy" is actually something that is continuously generated out of... nothing(maybe).
It will only get "fainter", but never disappear.
I need somebody to explain this to me, it still boggles my mind.
[EDIT] Oh btw, Zeeba, religious people participated numerous times in science. Big Bang, for example, was a theory invented by a catholic priest.
I myself am an Orthodox(not a strong believer, but I prefer to know there's a 'Designer'), but I feel like this theory reconciles really well with God.