gravity preparation
51Mathematics 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… …
52Coriolis effect — For the psychophysical perception effect, see Coriolis effect (perception). Classical mechanics Newton s Second Law …
53Science in medieval Islam — In the history of science, Islamic science refers to the science developed under the Islamic civilization between the 8th and 16th centuries, during what is known as the Islamic Golden Age. [cite journal|first=A. I.|last=Sabra|authorlink=A. I.… …
54Speedrun — A speedrun (IPA: IPA|/ˈspiːdˌɹʌn/) is a play through, or recording thereof, of a computer or video game performed with the intent of completing it as quickly as possible, optionally under certain prerequisites, mainly for the purposes of… …
55Strength training — This article is about the basic principles to train muscular strength. For strength training using free weights or weight machines, see weight training. The lat. pulldown, which strengthens the arms and back Strength training is the use of… …
56Glossary of firefighting equipment — Note: This list is incomplete. You can help Wikipedia by [http://en.wikipedia.org/w/index.php?title=Glossary of firefighting equipment action=edit adding to it] . 0 9 * 1 3/4 inch hose: see attack hose * 2 1/2 inch hose: see attack hose , supply… …
57Space food — are food products, specially created and processed for consumption by astronauts in outer space.Early HistoryRussianApollo Soyuz Test Project (1975)The astronauts of the Apollo Soyuz Test Project received samples of Soviet space food when the… …
58moon — mooner, n. moonless, adj. /moohn/, n. 1. the earth s natural satellite, orbiting the earth at a mean distance of 238,857 miles (384,393 km) and having a diameter of 2160 miles (3476 km). 2. this body during a particular lunar month, or during a… …
59Moon — /moohn/, n. Sun Myung /sun myung/, born 1920, Korean religious leader: founder of the Unification Church. * * * Sole natural satellite of Earth, which it orbits from west to east at a mean distance of about 238,900 mi (384,400 km). It is less… …
60Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
