balloon structure
41Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
42Carpal tunnel syndrome — Classification and external resources Transverse section at the wrist. The median nerve is colored yellow. The carpal tunnel consists of the bones and flexor retinaculum. ICD 1 …
43Airship — For other uses, see Airship (disambiguation). Dirigible redirects here. For the 1931 film, see Dirigible (film). Not to be confused with Balloon (aircraft) or Blimp. Airship …
44United States Army Air Forces — Infobox Military Unit unit name=United States Army Air Forces (USAAF) caption=USAAF Shoulder Sleeve Insignia ( Hap Arnold Emblem ) dates=1941 06 20 to 1947 09 17 country= United States of America allegiance= branch=United States Army type= role=… …
45Architecture of the United States — The Architecture of the United States includes a wide variety of architectural styles over its history. Architecture in the US is regionally diverse and has been shaped by many external forces, and can therefore be said to be eclectic, something… …
46Weather radar — in Norman, Oklahoma with rainshaft …
47Thermal airship — A thermal airship is an airship that generates its lift via the difference in density due to a temperature differential between the gas inside its envelope and the ambient air. (This is in contrast to the more common use of helium to provide lift …
48Coronary catheterization — A coronary angiogram (an X ray with radiocontrast in the coronary arteries) that shows the left coronary circulation. The distal left main coronary artery (LMCA) is in the left upper quadrant of the image. Its main branches (also visible) are the …
49Lighter than air — Some gases are buoyant in air because they have densities lower than that of air (about 1.2 kg/m3, 1.2 g/l). Lighter than air gases are used to fill craft called aerostats, which include free balloons, moored balloons, and airships, to make the… …
50Curtiss P-40 Warhawk — P 40 redirects here. For other uses, see P 40 (disambiguation). P 40 Warhawk Tomahawk / Kittyhawk A Hawk 87A 3 (Kittyhawk …
