impact of a flowing liquid
121Three Mile Island accident — The Three Mile Island accident of 1979 was the most significant accident in the history of the American commercial nuclear power generating industry. It resulted in the release of a significant amount of radioactivity, an estimated 43,000 curies… …
122Regolith — (Greek: blanket rock ) is a layer of loose, heterogeneous material covering solid rock. It includes dust, soil, broken rock, and other related materials and is present on Earth, the Moon, some asteroids, and other planets. The term was first… …
123Marine pollution — While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm. Marine pollution occurs when harmful, or potentially harmful effects, can result from the entry… …
124measurement system — Introduction any of the systems used in the process of associating numbers with physical quantities and phenomena (metrology). Although the concept of weights and measures (measurement) today includes such factors as temperature, luminosity …
125Activated carbon — Activated carbon, also called activated charcoal, activated coal or carbo activatus, is a form of carbon that has been processed to make it extremely porous and thus to have a very large surface area available for adsorption or chemical reactions …
1262007–2008 world food price crisis — The years 2007–2008 saw dramatic rises in world food prices, creating a global crisis and causing political and economical instability and social unrest in both poor and developed nations. Systemic causes for the world wide increases in food… …
127hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …
128Uranus — /yoor euh neuhs, yoo ray /, n. 1. Astron. the planet seventh in order from the sun, having an equatorial diameter of 32,600 miles (56,460 km), a mean distance from the sun of 1,784 million miles (2,871 million km), a period of revolution of 84.07 …
