Cycling and sourcery (yes, with a ‘u’)

A white and green Trek bike on a blue and red striped floor with a glass wall and equipment behind.

On Sept. 19, Fermilab employee and photographer Dan Bollinger needed to make some adjustments to the ion sources getting ready for the next operational period, but, he says, he wanted to get a longer bike ride in: multitasking. Photo: Dan Bollinger