The Elevator Slingshot- When the elevator door opens, the pencil is pulled from the two rings that hold the slingshot back, launching a wet paper towel into the door of the elevator. Here are the pictures from the engineering floor of Daniels hall, Winter 2004 at the University of Cincinnati by Steve Farber.
The Elevator Slingshot
The Elevator Slingshot- When the elevator door opens, the pencil is pulled from the two rings that hold the slingshot back, launching a wet paper towel into the door of the elevator. Here are the pictures from the engineering floor of Daniels hall, Winter 2004 at the University of Cincinnati by Steve Farber.
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