 Complete the following phrase:  The term Woodstock of physics is often used by physicists to refer to the marathon session of the American Physical Societys meeting on March 18, 1987, which featured 51 presentations of recent discoveries in the science of high-temperature superconductors. Various presenters anticipated that these new materials would soon result in revolutionary technological applications, but in the three subsequent decades, this proved to be overly optimistic. The name is a reference to the 1969 