Actual+observation
1Observation tower — in Auersberg, Saxony, Germany. An observation tower is a structure used to view events from a long distance and to create a full 360 degree range of vision. They are usually at least 20 metres (65.6 ft) tall and made from stone, iron, and… …
2Observation Post Alpha — Contemporary border fence and NATO observation tower monument, near Rasdorf, Germany. Observation Post Alpha, OP Alpha or Point Alpha ( …
3Observation — Observations redirects here. For the travel book, see Observations (Pierre Belon). For other uses, see Observation (disambiguation). Observation is either an activity of a living being, such as a human, consisting of receiving knowledge of the… …
4Mass Observation — was a United Kingdom social research organisation founded in 1937. Their work ended in the mid 1960s but was revived in 1981. The Archive is housed at the University of Sussex. Mass Observation aimed to record everyday life in Britain through a… …
5Mass-Observation — was a United Kingdom social research organisation founded in 1937. Their work ended in the mid 1960s but was revived in 1981. The Archive is housed at the University of Sussex.Mass Observation aimed to record everyday life in Britain through a… …
6History of supernova observation — The known history of supernova observation goes back to 185 CE, when supernova SN 185 appeared, the oldest appearance of a supernova recorded by humankind. Several additional supernovae within the Milky Way galaxy have been recorded since that… …
7Surface weather observation — Surface weather observations are the fundamental data used for safety as well as climatological reasons to forecast weather and issue warnings worldwide. [Office of the Federal Coordinator of Meteorology. [http://www.ofcm.gov/fmh 1/pdf/B CH2.pdf… …
8calendar — calendrical /keuh len dri keuhl/, calendric, calendarial /kal euhn dair ee euhl/, calendarian, calendaric, adj. /kal euhn deuhr/, n. 1. a table or register with the days of each month and week in a year: He marked the date on his calendar. 2. any …
9Military simulation — Participants from five nations (Singapore, United Kingdom, Malaysia, Australia and New Zealand) conduct a map exercise during Exercise SUMAN Warrior 2006 Military simulations, also known informally as war games, are simulations in which theories… …
10Quark — In physics, a quark (IPAEng|kwɔrk, IPAEng|kwɑːk or IPAEng|kwɑːrk) is a type of subatomic particle. [cite web |title=Fundamental Particles |publisher=Oxford Physics |url=http://www.physics.ox.ac.uk/documents/pUS/dIS/fundam.htm |accessdate=2008 06… …