impact properties
81Materials science — Simulation of the outside of the Space Shuttle as it heats up to over 1,500 °C (2,730 °F) during re entry into the Earth s atmosphere Materials science is an interdisciplinary field applying the properties of matter to various areas of… …
82Polystyrene — For other uses, see Polystyrene (disambiguation). Expanded polystyrene packaging …
83Effects of global warming — This article is about (primarily) effects during the 21st century. For longer term effects, see Long term effects of global warming. The variou …
84Bruce Jakosky — Infobox Person name=Bruce Jakosky birth name=Bruce Milton Jakosky birth date=birth date and age|mf=yes|1955|12|9 right|framed|Bruce Jakosky nationality=American occupation=Scientist employer=University of Colorado at BoulderBruce Milton Jakosky… …
85Mars — /mahrz/, n. 1. the ancient Roman god of war and agriculture, identified with the Greek god Ares. 2. Astron. the planet fourth in order from the sun, having a diameter of 4222 miles (6794 km), a mean distance from the sun of 141.6 million miles… …
86logic, history of — Introduction the history of the discipline from its origins among the ancient Greeks to the present time. Origins of logic in the West Precursors of ancient logic There was a medieval tradition according to which the Greek philosopher …
87History of Physics — History of Physics † Catholic Encyclopedia ► History of Physics The subject will be treated under the following heads: I. A Glance at Ancient Physics; II. Science and Early Christian Scholars; III. A Glance at Arabian Physics; IV.… …
88Suárez (and later scholasticism) — Jorge Gracia THE SILVER AGE OF SCHOLASTICISM The golden age of scholasticism covered a period of roughly one hundred years, from around 1250 to 1350. There were important scholastic developments before 1250 and after 1350, but it is generally… …
89Depleted uranium — The DU penetrator of a 30 mm round[1] Depleted uranium (DU; also referred to in the past as Q metal, depletalloy, or D 38) is uranium with a lower content of the fissile isotope U 235 than natural uranium (natural uranium is about 99.27% uranium… …
90Polypropylene — Chembox new Name = Polypropylene ImageFile = Polypropylen.svg ImageSize = 100px ImageName = Polypropylene IUPACName = poly(propene) OtherNames = Polypropylene; Polypropene; Polipropene 25 [USAN] ;Propene polymers; Propylene polymers; 1 Propene… …
