Hofstadter's law
Sydney’s Opera House was originally forecast in 1957 to be completed in 1963. It didn’t happen that way. 10 years later and at 15 times greater expense than predicted, the magnificent structure was finally completed. As the complexity of projects increases, so too does the failure rate of meeting schedule. The problem is known as Hofstadter’s law. In 1979, Scientist Douglas Hofstadter conceived an ironic and recursive rule that everything takes longer than planned....