In its 9 November issue
Fermilab Today displays a neat picture from Jeff Larson. (If this link doesn't work, try
another.
Quoting the caption:
Getting hot in here: Jeff Larson of the proton source department took this picture from behind Wilson Hall with the Fluke IR imager. "It's a camera that can see IR light and accurately tell you what the temperature is on certain surfaces," he said.