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.
Injuries are the most common cause of knee problems. Sudden (acute) injuries may be caused by a direct blow to the knee or from abnormal twisting, bending the knee, or falling on the knee. Pain, bruising, or swelling may be severe and develop within minutes of the injury.