Liquid+and+gaseous

  • 31Mathematics 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… …

    Universalium

  • 32List of Doctor Who universe creatures and aliens — This is a list of fictional creatures and aliens from the universe of the long running BBC science fiction television series Doctor Who, including Torchwood, The Sarah Jane Adventures and K 9. It covers alien races and other fictional creatures,… …

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  • 33Theatrical smoke and fog — Theatrical smoke and fog, also known as special effect smoke, fog or haze, is a category of atmospheric effects used in the entertainment industry. The use of fog can be found throughout motion picture and television productions, live theatre,… …

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  • 34soap and detergent — ▪ chemical compound Introduction       substances that, when dissolved in water, possess the ability to remove dirt (detergent) from surfaces such as the human skin, textiles, and other solids. The seemingly simple process of cleaning a soiled… …

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  • 35Nitrous oxide and oxygen — Entonox CD cylinder and giving set Gas and air redirects here, for the 1923 film, see Gas and Air (film) A mix of nitrous oxide 50% and oxygen 50% is a medical anaesthesia gas, commonly known as Entonox (a registered trademark of BOC) or Nitronox …

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  • 36Extraterrestrial liquid water — Extraterrestrial liquid water, the presence of water in its liquid state, is a subject of wide interest because it is a commonly suggested prerequisite for the emergence of extraterrestrial life. Earth, with oceanic water covering 71% of its… …

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  • 37List of Doctor Who monsters and aliens — This is a list of monsters and aliens from the long running BBC science fiction television series Doctor Who . The list includes some races which are not extraterrestrial, but are nonetheless non human. This list is meant to cover alien races and …

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  • 38List of superhuman features and abilities in fiction — Many forms of fiction feature characters attributed with superhuman, supernatural, or paranormal abilities, often referred to as superpowers (also spelled super powers and super powers ) or powers . This tradition is especially rich in the… …

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  • 39Oxy-fuel welding and cutting — Oxyacetylene redirects here. For the song, see Cubanate. Side of metal, cut by oxygen propane cutting torch …

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  • 40Nuclear weapons and the United Kingdom — United Kingdom Nuclear program start date 10 April 1940 First nuclear weapon test 2 October 1952 First fusion weapon test …

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