Recent content by clif stevens

in my view, if we fail to get off of Earth in the next century we are doomed as a species. Does a Mars/Moon/Space habitat colony ensure that we will survive? Not at all. But NOT doing it dooms us.

I've used Halliday & Resnick in my high school classes ... you're right about the rigor I'm sure that many juco classes are just as tough ... my experience with biology notwithstanding. The kids I got in the college credit class were the ones who just needed to get a science credit out of the...

hello all. I am high science teacher. I've been teaching advanced science (including physics) classes for almost 25 years. I am retiring after next year and am looking to some sort of part-time career after retirement. To that end ... I would like to teach introductory physics classes at the...