natural detector
51Petroleum — For other uses, see Petroleum (disambiguation). Proven world oil reserves, 2009 …
52SETI — Search for Extra Terrestrial Intelligence (SETI) is the collective name for a number of activities to detect intelligent extraterrestrial life. The general approach of SETI projects is to survey the sky to detect the existence of transmissions… …
53Crystal radio — Crystal set redirects here. For the Australian rock band, see The Crystal Set. A modern reproduction of an antique crystal set. It is tuned to different stations by moving the sliding contact (right) up and down the tuning coil (red). The device… …
54Gamma spectroscopy — The gamma ray spectrum of natural uranium, showing about a dozen discrete lines superimposed on a smooth continuum, allows the identification the nuclides 226Ra, 214Pb, and 214Bi of the uranium decay chain. Gamma ray spectroscopy is the… …
55Neutron detection — is the effective detection of neutrons entering a well positioned detector. There are two key aspects to effective neutron detection: hardware and software. Detection hardware refers to the kind of neutron detector used (the most common today is… …
56Anthropology and Archaeology — ▪ 2009 Introduction Anthropology Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …
57James Lovelock — Infobox Scientist name = James Ephraim Lovelock birth date = 26 July 1919 Hertfordshire, England death date = residence = England nationality = British field = Chemistry, Earth Science work institution = Independent researcher alma mater =… …
58Wildfire — This article is about uncontrolled outdoor fire. For the New York rock band, see Forest Fire (band). For other uses, see Wildfire (disambiguation). Crown Fire redirects here. For the 2010 wildfire in Southern California, see 2010 California… …
59Jagadish Chandra Bose — Infobox Scientist name = জগদীশ চন্দ্র বসু Jagadish Chandra Bose caption = Jagadish Chandra Bose in his lab birth date = birth date|1858|11|30|df=y birth place = Mymensingh, East Bengal (now Bangladesh), British India death date = death date and… …
60Measurement and Signature Intelligence — Measurement and Signature Intelligence, or MASINT, refers to intelligence gathering activities that bring together disparate elements that do not fit within the definitions of the major disciplines mentioned above. As a means of collecting… …
