free-spinning wind tunnel
21Eastern span replacement of the San Francisco — San Francisco – Oakland Bay Bridge (eastern span replacement) Artistic rendition of the new eastern span of the Bay Bridge seen from Treasure Island (ca. 2014) Official name To be determ …
22Engineering Projects — ▪ 1995 Introduction BRIDGES Notable Engineering Projects(For Notable Engineering Projects in work, see Table (Notable Engineering Projects).) As the decade of the 1990s reached its midpoint, the limits to bridge design were being… …
23performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …
24Disasters — ▪ 2009 Introduction Aviation January 23, Poland. A Spanish built CASA transport plane carrying members of the Polish air force home from a conference on flight safety in Warsaw crashes near the town of Miroslawiec; all 20 aboard are killed …
25List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
26Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
27United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
28Nuclear program of Iran — See also: Iran and weapons of mass destruction Nuclear program of Iran …
29Pingu episodes series 5 — This is an list of episodes with synopses for series 5 of the stop motion animated television series Pingu . =Series 1 (1986 1991)= =Series 2 (1991 1994)= =Series 3 (1994 1996)= =Series 4 (1998)= =Series 5 (2004)= Pingu s Bouncy Fun:Alternative… …
30Burnley — For the larger local government district, see Burnley (borough). For other meanings see Burnley (disambiguation) Coordinates: 53°47′20″N 2°14′53″W / …
