Are my pork tips cooked?

I just cooked some pork tips in the oven @ 400 F, which was properly pre-heated.
They were probably in there for an hour, I was multitasking. I would think40 mins. would be enough. The temperature, which was taken at the thickest part of the meat at a depth of 1.5 to 2 inches, [...]

Where can I buy a candy thermometer?

I live in Califorrnia, and I was wondering where I can buy a candy thermometer to make butterscotch. Is there any local place, like a grocery store that sells them, because I don't want to make my parents drive off somewhere really far.
Ya I didn't find them in Safeway