A paper, probably dropped by a student from the nearby high school, turned out to be this hand-drawn cartoon.
In the upper right corner a masked figure says "Give me ur money" while pointing a gun at the back of a spikey haired scientist looking through a huge microscope towards a small dot on a pedestal in the lower left. In the lower right is the caption - "It looks at the atom".
I'm sorry to discover that Pasadena scientists are afraid of being robbed while using an SEM. Click the picture to get more details.
Media: Ink on Paper 8.5 x 11", detail
Mugged Scientist Tags: cartoon. . . microscope. . . holdup