warmed up enough
21Retreat of glaciers since 1850 — The retreat of glaciers since 1850, worldwide and rapid, affects the availability of fresh water for irrigation and domestic use, mountain recreation, animals and plants that depend on glacier melt, and in the longer term, the level of the oceans …
22Napoleon — For other uses, see Napoleon (disambiguation). Napoleon I …
23Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
24nebula — nebular, adj. /neb yeuh leuh/, n., pl. nebulae / lee , luy /, nebulas. 1. Astron. a. Also called diffuse nebula. a cloud of interstellar gas and dust. Cf. dark nebula, emission nebula, reflection nebula …
25environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
26Computers and Information Systems — ▪ 2009 Introduction Smartphone: The New Computer. The market for the smartphone in reality a handheld computer for Web browsing, e mail, music, and video that was integrated with a cellular telephone continued to grow in 2008. According to… …
27physical science, principles of — Introduction the procedures and concepts employed by those who study the inorganic world. physical science, like all the natural sciences, is concerned with describing and relating to one another those experiences of the surrounding… …
28SR-71 Blackbird — infobox Aircraft name = SR 71 Blackbird caption =An SR 71B Trainer over the Sierra Nevada Mountains of California in 1994. Note second cockpit is raised for the instructor. type = Strategic Reconnaissance manufacturer = Lockheed Skunk Works… …
29Finnish sauna — The Finnish sauna is a substantial part of Finnish culture. There are five million inhabitants and over two million saunas in Finland an average of one per household. For Finnish people the sauna is a place for easing with friends and family, and …
30Sodium vapor lamp — A sodium vapor lamp is a gas discharge lamp which uses sodium in an excited state to produce light. There are two varieties of such lamps: low pressure and high pressure . Low pressure sodium Low pressure sodium (LPS) lamps, also known as sodium… …
