radiometric measurements

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• Radiometric dating — (often called radioactive dating) is a technique used to date materials such as rocks, usually based on a comparison between the observed abundance of a naturally occurring radioactive isotope and its decay products, using known decay rates.[1]… …   Wikipedia

• dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or …   Universalium

• Astronomical unit — This article is about unit of length. For the full system of units, see Astronomical system of units. 1 astronomical unit = SI units 149.60×10^6 km 149.60×10^9 m Astronomical units 4.8481 …   Wikipedia

• Met Office — UKMET redirects here. For the model, see Unified Model. Met Office Current logo, as of 2009 Agency overview Formed 1854 Jurisdiction …   Wikipedia

• Instituto Tecnológico de La Piedad — Infobox University name = Instituto Tecnológico de La Piedad motto = Con la ciencia y la tecnologia, hacia nuestro ideal ( With the science and technology, towards our ideal ) established = 1990 type = Public nickname = Eaglets colors = Blue and… …   Wikipedia

• Imaging spectroscopy — (also spectral imaging or chemical imaging)is similar to color photography, but each pixel acquires many bands of light intensity data from the spectrum, instead of just the three bands of the RGB color model. More precisely, it is the… …   Wikipedia

• Institute for Transuranium Elements — The Institute for Transuranium Elements (ITU) is a European Commission nuclear research institute in Karlsruhe, Germany. The ITU is one of the seven institutes of the Joint Research Centre (JRC), a Directorate General of the European Commission… …   Wikipedia

• Plutonium in the environment — is an article which is part of the actinides in the environment series. Almost all plutonium present in the environment is due to human activity because the majority of plutonium isotopes are shortlived on a geological timescale.… …   Wikipedia

• Integrating sphere — (i.e., white), having relatively small holes as needed for entrance and exit ports. The shape of the cavity is commonly spherical, hence the name. Its relevant property is a uniform scattering or diffusing effect. Light rays incident on any point …   Wikipedia

• Thermophysics — Themophysics is the study of heat transfer and storage in physical materials. Remote Sensing Thermophysics is a branch of geophysics which uses the naturally occurring surface temperature as a function of the cyclical variation in solar radiation …   Wikipedia

• C. O. Lampland — Carl Lampland Carl Otto Lampland (29 décembre 1873 – 14 décembre 1951) était un astronome américain. Né en 1873 dans le Minnesota, Carl Lampland obtint un diplôme à l université d Indiana puis commença à travailler à l… …   Wikipédia en Français