EG & G, Inc. perfomed earth motion photography for UCRL (Project 26.5) on seven tunnel shots in Area 12. The report contains the camera instrumentation and targ

Studies of variations in the length of the day (l. o. d.) on the order of a few milliseconds over the period of a few decades are briefly reviewed. In this conn

IAU Symposium No. 82, "Time and the Earth's Rotation", met to discuss modern research in the field of the rotation of the Earth with particu lar emphasis on the

An analysis of the irregular rotation of the Earth and the geophysical mechanisms responsible for it.