I got this via the Bad Astronomy blog. Jamie Hyneman and Adam Savage of Discovery Channel's Mythbusters doing a painting demonstration at NVISION 08:
Awesome. This is a condensed version of the whole presentation, which is totally worth watching. Here's Part 1 (which ends just before the Big Event) and Part 2, which picks right up where the first part left off.
I'm No Experimentalist
So this is not the job for me. But I do so enjoy knowing that someone does have this job. (grin)