This paper describes the instruments, methodology, and results of a marine magnetometer survey of twenty-five miles of the South Texas coast conducted by the Underwater Archeological Research Section ...

Certain kinds of atomic nuclei—including those of the hydrogen atoms in a water molecule—c The frequency of the signal ...

The small variations in the Earth’s magnetic field are being measured using this proton precession magnetometer (PPM) which detects the ferrous objects on land and at sea. To map the positions of ...

Did the ancient Greeks have outside toilets? Up-to-date archaeologists interested in esoteric problems heard last week about a handy way of finding answers to such questions—for a latrine’s humus-rich ...