Biuro Szyfrów — The Biuro Szyfrów ([ˈbʲurɔ ˈʂɨfruf] ( listen), Polish for Cipher Bureau ) was the interwar Polish General Staff s agency charged with both cryptography (the use of ciphers and codes) and cryptology (the study of ciphers and codes,… … Wikipedia
Photoconductive atomic force microscopy — (pc AFM) is a scientific technique.. Multi layer photovoltaic cells have gained popularity since mid 1980s.[1] At the time, research was primarily focused on single layer photovoltaic (PV) devices between two electrodes, in which PV properties… … Wikipedia
Atomic force microscope — The atomic force microscope (AFM) or scanning force microscope (SFM) is a very high resolution type of scanning probe microscope, with demonstrated resolution of fractions of a nanometer, more than 1000 times better than the optical diffraction… … Wikipedia
Anthropology 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… … Universalium
Bullet — This article is about firearms projectiles. For other uses, see Bullet (disambiguation). Lead soft point, boat tailed, copper jacketed bullets A bullet is a projectile propelled by a firearm, sling, or air gun. Bullets do not normally contain… … Wikipedia
Ancient Chinese coinage — Ancient Chinese coins Chinese coins were produced continuously for around 2,500 years by casting in moulds, rather than being struck with dies as with most western coins. Contents 1 … Wikipedia
Chinese coins — Ancient Chinese coins were produced continuously for around 2,500 years by casting in moulds, rather than being struck with dies as with most western coins.Collectors can obtain affordable yet old, beautiful, and interesting coins associated with … Wikipedia
turbine — /terr bin, buyn/, n. any of various machines having a rotor, usually with vanes or blades, driven by the pressure, momentum, or reactive thrust of a moving fluid, as steam, water, hot gases, or air, either occurring in the form of free jets or as … Universalium
Shaped charge — Sectioned high explosive anti tank round with the inner shaped charge visible … Wikipedia
1998 Pacific hurricane season — Infobox hurricane season Basin=EPac Year=1998 Track=1998 Pacific hurricane season map.png First storm formed=June 11, 1998 Last storm dissipated=October 20, 1998 Strongest storm name=Howard Strongest storm winds=130 Strongest storm pressure=932… … Wikipedia