waves

I have a friend whose batteries (car, truck, cellphone, cordless phone etc) always seem to go flat. He thinks there is some form of electro-magnetic wave (unspecified / unknown origin) around his house that is draining his batteries. I think he is just bad at remembering to charge his...

Ever hear the expression that great minds think alike? Ever hear or read up about synchronistic coincidences (syncronicity)? Ever invent something only to learn it's been recently invented and you didn't know that? You are not going to believe what I am going to tell me. You won't believe me...

Hello all..I've searched this using the search button and on google and have found nothing. My question is.How can radio/light/other waves travel in space while some waves such as sound can not? Does it have to do with the fact they are electromagnetic waves? Why don't they need a meduim? How...

I just watch a bit of The 700 Club as I do now and then. They have a segment called "Bring It On" where Pat answers viewer e-mail on just about any topic. Tonight a lady said her son thinks he is telekentic and asked if she should be concerned. I expected Pat to dismiss it entirely but he...

This is very fascinating. Check it out: http://www.atnf.csiro.au/news/press/double_pulsar/

First of all, I am not a scientist or mathematician. I need help understanding a slightly abstract and bizarre concept. I am under the impression that current scientific thought on light suggests that it is both particles and wave. If this is correct, I need help understanding the wave part...

So at lunch today, I read an article in CNN about a black hole "humming". The article went on to describe that I was under the impression that sound could not travel through the near vacuum of space. Have I missed some discovery about sound? Or is the article just poorly written, and they...