barrier sheet
31Complex plane — Geometric representation of z and its conjugate in the complex plane. The distance along the light blue line from the origin to the point z is the modulus or absolute value of z. The angle φ is the argument of z. In mathematics …
32Deepwater Horizon oil spill — 2010 oil spill and BP oil spill redirect here. For other oil spills in 2010, see 2010 oil spill (disambiguation). For the 2006 oil spill involving BP, see Prudhoe Bay oil spill. For the drilling rig and explosion, see Deepwater Horizon… …
33New Orleans Outfall Canals — The primary outfall canals in New Orleans are the 17th Street, Orleans Avenue and London Avenue canals. They serve as the major draining conduits for a major portion of the metro area. There are three outfall canals in New Orleans, Louisiana –… …
34Anas chlorotis — Neuseelandente Neuseelandente Systematik Ordnung: Gänsevögel (Anseriformes) Familie …
35Bird migration — A flock of Barnacle Geese during autumn migration …
36Aluminium foil — (known as aluminum foil in North America) is aluminium prepared in thin sheets with a thickness less than 0.2 mm / 0.008 in, although much thinner gauges down to 0.006 mm are commonly used. [http://www.alufoil.org/eng/alufoil 343.html European… …
37Opto-isolator — This article is about the electronic component. For the optical component, see optical isolator. Schematic diagram of an opto isolator showing source of light (LED) on the left, dielectric barrier in the center, and sensor (phototransistor) on… …
38Plating — describes surface covering where a metal is deposited on a conductive surface. Plating has been done for hundreds of years, but it is also critical for modern technology. Plating is used to decorate objects, for corrosion inhibition, to improve… …
39John Carver Meadows Frost — known as Jack (born 1915 in Walton on Thames, England, died 9 October 1979 in Auckland, New Zealand) was a British aircraft designer. His primary contributions centred on pioneering supersonic British experimental aircraft and as the chief… …
40Mount Garibaldi — as seen from Squamish Elevation 2,678 m (8,786 ft) …
