Recent content by Bob Z.

I majored in physics in college and have a master's degree from Michigan State Univ. in physics. I just recently retired and have the urge to revisit some of my old studies. In the last year I've refreshed the intellectual side of myself by working thru a calculus book and book on differential...

School's are in deep need for teachers with a physics major and/or chemistry major. I'd start to take some Education courses to get my teaching certificate. That's what I did many years ago and got a job right away! (Also, many nice perks- summer off, holidays, 2 weeks Christmas vacation, 1...

Please consider CLASSICAL MECHANICS by John Taylor. Check out the reviews on Amazon.com- they are phenomenal. I ordered the book recently and have gone thru the 1st 3 chapters so far. All the reviews on this textbook are true! It is EXCELLENT! (While in college many yrs ago we were brought...

Current is BOTH a scalar (since it has size) and vector (since it has to be moving in a certain direction). In some problems all that is asked for is the size since the direction is obvious from the circuit- it is down the wire. In other problems we need to know the direction- for example when...