Recent content by cefarix

An electron's spin causes it to have an associated magnetic moment. What is the orientation of the poles of the moment?

I've been trying to understand something for the past few days but can't seem to get my head around it. Could someone please explain to me how an extra internal degree of freedom arises for a particle when special relativity is combined with quantum mechanics?

Mentz114: Right, there would be no accelerative effects, but the calculations have to be made using relativistic methods. There would definitely be red-shift, which again could be perceived as galaxies receding from each other. yogi: That's my point, kind of. The more to the past we look, the...

Isn't greater matter at great distance from the Hubble center what we see? We find far more galaxies at the edge of Hubble radius than we do in the local vicinity.

I've been wondering, is it possible to model both the Hubble redshift and dark energy as a gravitational field which gets strong the further away you look? For example, we know that light from distant galaxies is red-shifted, which is equivalent to a photon having climbed out of a gravitational...

Does time-like curvature of spacetime cause light to bend, for example, around the sun? Or is the gravitational bending of light only due to the space-like curvature? So far, I understand the concepts as: Time-like curvature is caused by the mc^2 part of E, while space-like curvature is caused...

My father, being a doctor, went to and came back from Muzaffarabad and other areas to the north. He was telling me the situation is just utterly beyond belief there. :sad:

I was 16 when I first came to the university. Seeing as I was away from home, and the only cheap and easy way to communicate was a cell phone, my parents got me one. So I had my first cell phone at the age of 16. What's wrong with that? :mad: :confused:

No, the world needed Hitler at the time. Otherwise who knows where we'd be now.

Other = Software programming :smile:

1. Second position 2. First position if its a multiple lap race, otherwise you can't overtake the last person. 3. 4100 4. Nunu 5. He's blind he doesn't need sunglasses! But he can just say it out loud. So number 4 got me :P And I just realized for number 2: It could be any position from first...

Chota Kaddu (urdu for little pumpkin)

Let's have your say :smile:

The first time my operating system booted up and worked correctly. That was the most awesome feeling ever :approve:

i thought babies came down a rainbow colored slide from the sky and into the hospital room until i was about 5 :-p