Science/Engineering/Technical forums

Nice to 'meet' you all, as you can see there are some delays in my response time. I'm uh...a long way away?

I'll go check out some of the other parts of the forum and see what you all are talking about. I just received my first good vacuum setup (classroom, ~10mTorr) since the last one was ...

Hi all,

I've had an account here for quite a while, but as a consequence of an extreme level of busyness and a certain amount of absent-mindedness, I registered here and then kind of forgot about it for about two years.

Oops.

I'm Jim, a physics teacher and sometimes researcher, electronics ...