An analysis has been performed of the theories and postulates advanced by von Neumann, London and Bauer, and Wigner, concerning the role that consciousness might play in the collapse of the wave function, which has become known as the measurement problem.
giving out or weakness of the knees can have different causes. These can include problems outside the knee joint itself (weak muscles for example) or inside the knee (torn ligaments or cartilage). See an orthopaedic surgeon to address your individual problem.
Finding the Cause. 1  Location: Where on the knee the patient feels pain can offer some clues about what type of injury or condition is causing the pain. 2  Timing: Just as the location of knee pain may indicate what's causing the problem, the time of day the patient experiences the pain can also offer insight.