dpullum wrote:
Rudolf, be careful, they will put you in a padded cell with your flashlight and a ball of string!! The orderly will remark to a friend as they view you gazing at the swinging light "Poor fellow, Pendulum photography led him onto this path."
The assignment for the second-year special credit Physics class is to determine the math formula for each. The shading on the cut end of the third photo is an eye-catching detail.