House of cards

A house of cards (also known as a card tower) is a structure created by stacking playing cards on top of each other. "House of cards" is also an expression that dates back to 1645 meaning a structure or argument built on a shaky foundation or one that will collapse if a necessary (but possibly overlooked or unappreciated) element is removed. Structures built by layering in this way, such as Stonehenge, are referred to as "house of cards architecture", which dates back to the Cyclopean and Megalithic ages.

The structures created using this method rely on nothing more than balance and friction in order to stay upright. Ideally, adhesives or other external connecting methods are not used, and no damage or alterations are made to the cards themselves. The larger the structure, the higher number of balanced cards that could fail and compromise the integrity of the card building. Professional card stacker Bryan Berg claims, however, that the more cards placed on a tower the stronger it becomes, because the weight of the cards pushing down on the base (increasing friction) allows occasional cards to stumble without the entire structure collapsing. He also claims that proper stacking technique allows cards to function as shear walls, giving considerable stability to the structure.

The earliest known record for card stacking was achieved by Miss Victoria Maitland, of the United Kingdom. A photograph of her work was published in The Strand Magazine in September 1901. It was a fifteen story structure. Following the publication of this record a second was submitted in April 1902, by Miss Rosie Farner, of England with a picture of a twenty storied tower. A third record was submitted by Miss F. M. Hollams of England, with a tower of twenty-five stories, in February 1903.

Other record holders (without bending or altering the cards) include:

Berg has since kept the record and created many sub-records. He currently holds the world record for tallest house of cards, a 25-foot 9 7/16 inch (≈7.87m) tall "skyscraper" completed at the State Fair of Texas on October 14, 2007. He also holds the record for the largest house of cards, a category Guinness invented for the event, for a replica of Cinderella's Castle at Walt Disney World. On March 10, 2010, Berg broke his own record by building a replica of The Venetian Macao resort hotel. He completed it in 44 days, using 218,792 cards (more than 4,000 decks). The structure measured 10.5 meters (34 feet) long, three meters (10 feet) tall and weighed more than 272 kilograms (600 pounds).

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