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• Spray (sailing vessel) — The S.V. Spray was the vessel rebuilt by Joshua Slocum and used in his successful attempt to circumnavigate the world single handedly, the first voyage of its kind. The Spray was a convert|36|ft|9|in|m|sing=on sloop rigged fishing boat refitted… …   Wikipedia

• gastropod — /gas treuh pod /, n. 1. any mollusk of the class Gastropoda, comprising the snails, whelks, slugs, etc. adj. 2. Also, gastropodous /ga strop euh deuhs/. belonging or pertaining to the gastropods. [1820 30; < NL Gast(e)ropoda a class of mollusks.… …   Universalium

• Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R …   Wikipedia

• Fourier optics — is the study of classical optics using techniques involving Fourier transforms and can be seen as an extension of the Huygens Fresnel principle. The underlying theorem that light waves can be described as made up of sinusoidal waves, in a manner… …   Wikipedia

• Pinhole camera — A pinhole camera is a very simple camera with no lens and a single very small aperture. Simply explained it is a light proof box with a single hole in one side. Light from a scene passes through this single point and projects an inverted image on …   Wikipedia

• Ion source — An ion source is an electro magnetic device that is used to create charged particles. These are used primarily within mass spectrometers or particle accelerators.Mass spectrometry In mass spectrometry, an ion source is a piece of equipment used… …   Wikipedia

• Chittenango ovate amber snail — Drawing of …   Wikipedia

• Rainbow — For other uses, see Rainbow (disambiguation). Double rainbow and supernumerary rainbows on the inside of the primary arc. The shadow of the photographer s head on the bottom marks the centre of the rainbow circle (antisolar point). A rainbow is… …   Wikipedia

• Art, Antiques, and Collections — ▪ 2003 Introduction       In 2002 major exhibitions such as Documenta 11 reflected the diverse nature of contemporary art: artists from a variety of cultures received widespread recognition for work ranging from installation to video to painting …   Universalium

• Список модификаций игр на движке Source — Здесь представлен краткий список самых популярных модификаций для игры Half Life 2 на движке Source. Для всех модов, включая бесплатные, необходим Half Life 2 или какая нибудь другая игра на игровом движке Source. Содержание 1 Список модификаций …   Википедия

• Liste de marques fictives — Une marque fictive est une marque créée pour les besoins d une fiction : tournage (film, sketch), roman, etc. La recherche de ces marques n est pas simple dans la mesure où leurs auteurs cherchent à être tellement près de la réalité que plus …   Wikipédia en Français