Foucault pendulum
Foucault pendulum, designed by Lexington sculptor Adalin Wichman, in the rotunda of the Lexington Public Central Library at 140 E Main Street in Lexington, Kentucky on October 29, 2013
NIKON CORPORATION NIKON D800, f/9 @ 14 mm, 1/8, ISO 400, No Flash
2013 Glenn Nagel
