The engineering mind is a fascinating thing. When an engineer comes on the scene, the most common objects—a stack of pennies, for instance—can be transformed into just about any architectural masterpiece.
“The following is the basic pattern for building cantilevered structures with pennies. Although it looks trivial, we can build amazing structures with these pillars.
“All penny columns are 10 high per stack. Two side-by-side pennies held in place by a penny above them is called a triad. (Pictured at left is a stack with two triads resting on top.)
“All stacks of coins were created without any glue. Only the weight of the coins provides the support.
Fincher’s site has collected numerous examples of amazing coin stacks, which he calls “a fun hobby for kids, college students and adults.”
The video below demonstrates how one “stacker” has designed a three foot bridge with over 2,000 coins:
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