flexing life
21Helicopter rotor — This article is about helicopter main rotor systems. For antitorque control, see tail rotor. Helicopter rotor The rotor head of a Sikorsky S 92 A helicopter main rotor or rotor system is a type of fan that is used to generate both the aerodynamic …
22Gary Hall, Jr. — For his father, also an Olympian, see Gary Hall, Sr. MedalBronze|2004 Athens [cite web|url=http://sportsillustrated.cnn.com/olympics/2004/schedules/117BySport.html |title=2004 Olympic Games swimming results |accessdate=2007 07 22 ] |4x100 m… …
23Periventricular leukomalacia — Classification and external resources ICD 10 P91.2 ICD 9 779.7 …
24Cutting tool (machining) — In the context of machining, a cutting tool (or cutter) is any tool that is used to remove material from the workpiece by means of shear deformation. Cutting may be accomplished by single point or multipoint tools. Single point tools are used in… …
25Titan (moon) — Titan Titan in 2005 by Cassini spacecraft Discovery Discovered by Christiaan Huygens …
26ancient Greek civilization — ▪ historical region, Eurasia Introduction the period following Mycenaean civilization, which ended in about 1200 BC, to the death of Alexander the Great, in 323 BC. It was a period of political, philosophical, artistic, and scientific… …
27Bearing (mechanical) — A bearing is a device to allow constrained relative motion between two or more parts, typically rotation or linear movement. Bearings may be classified broadly according to the motions they allow and according to their principle of operation as… …
28Cyndi Lauper — Lauper redirects here. For the curler, see Erwin Lauper. Cyndi Lauper Cyndi Lauper in 2011 Background information Birth name Cynthia Ann Stephanie Lauper …
29Temnospondyli — Temnospondyls Temporal range: Early Carboniferous Early Cretaceous, 330–120 Ma Possible descendant taxon Lissamphibia survives to present …
30Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
