You are here:

Physics/Expert Profile

Ask A Question

Dr. Stephen O. Nelson


I can answer most basic physics questions, physics questions about science fiction and everyday observations of physics, etc. I'm also usually good for science fair advice (I'm the regional science fair director). I do not answer homework problems. I will occasionally point out where a homework solution went wrong, though. I'm usually good at explaining odd observations that seem counterintuitive, energy science, nuclear physics, nuclear astrophysics, and alternative theories of physics are my specialties.

Experience in the area

I was a physics professor at the University of Texas of the Permian Basin, research in nuclear technology and nuclear astrophysics. My travelling science show saw over 20,000 students of all ages. I taught physics, nuclear chemistry, radiation safety, vacuum technology, and answer tons of questions as I tour schools encouraging students to consider careers in science. I moved on to a non-academic job with more research just recently.


Ph. D. from Duke University in physics, research in nuclear astrophysics reactions, gamma-ray astronomy technology, and advanced nuclear reactors.

Average Ratings

Recent Answers from Dr. Stephen O. Nelson

2016-10-20 Ice: is the best reference I know of for this.  However, you will find that the ices it mentions (and it has some detailed information on each, if you click on the

2016-10-15 Newton's Laws of Motion - Finding Tension:

Well, this is a homework question.  If you bothered to read my profile, you'd realize that I don't answer homework questions. But I can point out a few wrong things that you typed:    1)  There is no horizontal

2016-10-13 spacetime:

You're asking the equivalent of "if this universe was completely different, how would it be different?"  You've postulated a completely different spacetime than we live in, so all bets are off on the existence

2016-10-06 Photon momentum:

No, it would also spin if they were attached.  The situation would be much more complex if they were not, but the aim would go off and everything would stop working.    The question doesn't make any sense

2016-10-05 Photon momentum:

Ha, I actually asked this question as a bonus question on an exam once.  I always warned my students that I'd grade the bonus question, but it was generally so hard that it was a waste of time.  Didn't


Ask A Question


All Answers

Answers by Expert:

Ask Experts


©2016 All rights reserved.