block-and pillar method

  • 61Aquaculture of coral — Coral in an aquaculture tank Coral aquaculture, also known as coral farming or coral gardening, is the cultivation of corals for commercial purposes or coral reef restoration. Aquaculture is showing promise as a potentially effective tool for… …

    Wikipedia

  • 62Organic light-emitting diode — Demonstration of a flexible OLED device A green emitting OLED device An …

    Wikipedia

  • 63environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …

    Universalium

  • 64Candle — For other uses, see Candle (disambiguation). A close up image of a burning candle showing the wick and the various parts of the flame …

    Wikipedia

  • 65History of wood carving — From the remotest ages the decoration of wood has been a foremost art. The tendency of human nature has always been to ornament every article in use. The North American Indian carves his wooden fish hook or his pipe stem just as the Polynesian… …

    Wikipedia

  • 66Tverskoy District — ( ru. район Тверской) is a district of Central Administrative Okrug of Moscow, Russia. The district extends from Kitai gorod northwest to Belorussky and Savyolovsky Rail Terminals . Its southern boundary runs one or two city blocks south from… …

    Wikipedia

  • 67List of albums containing a hidden track — This list contains the names of albums that contain a hidden track and also information on how to find them. Please note that not all printings of an album contain the same track arrangements, so your copy of album X may or may not have the… …

    Wikipedia

  • 68Artificial intelligence — AI redirects here. For other uses, see Ai. For other uses, see Artificial intelligence (disambiguation). TOPIO, a humanoid robot, played table tennis at Tokyo International Robot Exhibition (IREX) 2009.[1] Artificial intelligence ( …

    Wikipedia

  • 69Romanesque architecture — is the term that is used to describe the architecture of Middle Ages Europe which evolved into the Gothic style beginning in the 12th century. The term Romanesque , meaning descended from Roman , was used to describe the style from the early 19th …

    Wikipedia

  • 70High-temperature superconductivity — Unsolved problems in physics What causes superconductivity at temperatures above 50 kelvin? High temperature superconductors (abbreviated high Tc or HTS) are materials that have a superconducting transition temperature (Tc) above 30 K… …

    Wikipedia