Climate denialists claim that Sam is not a professor.
I do not know, and some of his posts in sci.physics worries me.
If Sam really is a professor, he should stop his advertising
for silly stuff like this Wolfram Physics I Course Assistant:
> Do you really need an app to calculate .5mv^2? No, a calculator is
> much faster. If you need this app then you're going to fail phys 1
> anyway
--
jo
"All science is either physics or stamp collecting.
-- Ernest Rutherford (1871 - 1937)