Logitech MX Revolution mouse dissected

It's a little painful and hideous to watch, but some of us are still a little curious as to just how Logitech managed to fit those dozens of moving parts (and a few motors) in their new Revolution mice to give that wheel its free-spinning abilities. We're not firm believers in animal testing 'round these parts, but this mouse was just begging to be opened up for the betterment of human knowledge.