accurate proton precession magnetometer
1Magnetometer — A magnetometer is a measuring instrument used to measure the strength or direction of a magnetic field either produced in the laboratory or existing in nature. Some countries such as the USA, Canada and Australia classify the more sensitive… …
2La Belle (ship) — La Belle was one of Robert de La Salle s four ships when he explored the Gulf of Mexico with the ill fated mission of starting a French colony at the mouth of the Mississippi River in 1685. La Belle was wrecked in present day Matagorda Bay the… …
3Earth exploration — Introduction the investigation of the surface of the Earth and of its interior. By the beginning of the 20th century most of the Earth s surface had been explored, at least superficially, except for the Arctic and Antarctic regions. Today the… …
4magnetic resonance — Absorption or emission of electromagnetic radiation by electrons or atomic nuclei in response to certain magnetic fields. The principles of magnetic resonance are used to study the atomic and nuclear properties of matter; two common laboratory… …
