lifting-surface area
51Wright brothers — Orville Wright Photo: 1903 Born August 19 …
52Beechcraft Starship — infobox Aircraft name = Model 2000 Starship type = Executive transport manufacturer = Beech Aircraft Corporation caption = designer = Burt Rutan first flight = 15 February 1986 introduced = retired = produced = number built = 53 status = unit… …
53Durango and Silverton Narrow Gauge Railroad — Durango Silverton Narrow Gauge Railroad Locale La Plata County and San Juan County, Colorado Dates of operation 1881–present Track gauge …
54Kenya — Kenyan, adj., n. /ken yeuh, keen /, n. 1. a republic in E Africa: member of the Commonwealth of Nations; formerly a British crown colony and protectorate. 28,803,085; 223,478 sq. mi. (578,808 sq. km). Cap.: Nairobi. 2. Mount, an extinct volcano… …
55Neumayer-Station III — Neumayer Station III, also known as Neumayer III after geophysicist Georg von Neumayer, is a German South pole research station of the Alfred Wegener Institut in the Antarctic. It is located on the approximately 200 metre thick Ekstrom Ice Shelf… …
56Computational fluid dynamics — Computational physics Numerical analysis  …
57USAF Digital DATCOM — The United States Air Force Stability and Control Digital DATCOM is a computer program that implements the methods contained in the USAF Stability and Control DATCOM to calculate the static stability, control and dynamic derivative… …
58Convection — This figure shows a calculation for thermal convection in the Earth s mantle. Colors closer to red are hot areas and colors closer to blue are cold areas. A hot, less dense lower boundary layer sends plumes of hot material upwards, and likewise,… …
59Three Gorges Dam — Three Gorges Dam …
60Dental implant — Intervention A Straumann brand root form endosseous dental implant placed in the site of the maxillary left permanent first molar with bone graft used to elevate the sinus floor …
