I received a personal message asking if I knew any online articles or if I had written a blog on string theory. I have mentioned string theory in a blog or two and have alluded to it in some responses but I have not written a blog. I made a quick reply giving the best of my understanding of string theory. After thinking about it for a while I thought it might make a good blog. Read More »
physics

Virtual Particles for Dummies
Virtual particles are subatomic particles that appear out of empty space. Their existence was predicted early in the development of quantum theory. While I do not claim to be a physicist, I have had an interest in virtual particles for a long time. In an effort to understand them I spent quiet a bit of time reading the original literature about them. Read More »

Earthquake? What Earthquake?
As far as I know, I'm one of the only people around who missed the earthquake on Monday. I didn't feel it. You see, I was riding my new bike for the first time in China. I was already a little nervous. I set out on my bike probably around 2:20ish. As I turned the corner through the main intersection of my neighborhood, I saw all these people coming outside and staring up at the buildings. Read More »

Collision - Impulse and Momentum
Purpose: How is the force felt during a collision related to the duration of the collision?
The force felt during the collision is directly related to the mass of the object multiplied by the rate of change in velocity over time.
Analysis:
1. Why is it desirable to have the same initial speed for each data run? Read More »

God does not play dice with the universe, or does it?
If you've ever seen the Men in Black movies, the endings are phenomenally thought-provoking. The first one ends with zooming out of Earth and the galaxy which is in a marble being played with by a rather large alien. The second movie ends with Jay and K opening a locker that leads into another world of aliens. Read More »



