light-trapping efficiency
71immune system — Anat. a diffuse, complex network of interacting cells, cell products, and cell forming tissues that protects the body from pathogens and other foreign substances, destroys infected and malignant cells, and removes cellular debris: the system… …
721948 Arab–Israeli War — 1948 Arab Israeli War Part of 1948 Palestine war Ca …
73Dingo — For other uses, see Dingo (disambiguation). Dingo Australian dingo Conservation status …
74Icebreaker — [ thumb|right|300px|German icebreaker Polarstern ] An icebreaker is a special purpose ship or boat designed to move and navigate through ice covered waters. Although the term usually refers to icebreaking ships, it can also refer to smaller… …
75Atmosphere of Venus — Atmosphere of Venus …
76Deepwater 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… …
77Czochralski process — The Czochralski process The Czochralski process is a method of crystal growth used to obtain single crystals of semiconductors (e.g. silicon, germanium and gallium arsenide), metals (e.g. palladium, platinum, silver, gold), salts, and synthetic …
78Fish hook — Fishhook redirects here. For other uses, see Fishhook (disambiguation). Anatomy of a fish hook A fish hook is a device for catching fish either by impaling them in the mouth or, more rarely, by snagging the body of the fish. Fish hooks have been… …
79List of Ig Nobel Prize winners — This is a list of Ig Nobel Prize winners from 1991 to the present day. A parody of the Nobel Prizes, the Ig Nobel Prizes are given each year in early October around the time the recipients of the genuine Nobel Prizes are announced for ten… …
80List of Dad's Army episodes — Dad s Army is a British sitcom about the Home Guard during World War II. The sitcom aired between 1968 and 1977, and there were a total of eighty episodes spread over nine series, as well as four Christmas specials.[1] Most episodes were also… …
