Dave Hugelschaffer, author of One Careless Moment, has gone through some pretty incredible lengths in order to research his books. You should hear the story about his visit to the morgue. Or that one time when he tried to buy explosives. I'm not making this up.
Anyways, Dave has posted an awesome photoessay on his site detailing his research into forest fire arson devices. And by research, I mean he actually built the devices used by the antagonists of his mysteries, to see if they would work.
That, folks, is commitment. Read the article here!