degree of tilt
31international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …
32Grain boundary — A grain boundary is the interface between two grains in a polycrystalline material. Grain boundaries disrupt the motion of dislocations through a material, so reducing crystallite size is a common way to improve strength, as described by the Hall …
33Jupiter — This article is about the planet. For other uses, see Jupiter (disambiguation). Jupiter   …
34Kennywood — Infobox Amusement park name = Kennywood caption = Main gates to Kennywood location = 4800 Kennywood Blvd location2 = West Mifflin location3 = Pennsylvania, 15122 location4 = United States flagicon|USA area = convert|107|acre|km2 homepage =… …
35Distortion (optics) — v · d · e Optical aberration …
36Planetary habitability — is the measure of a planet s or a natural satellite s potential to develop and sustain life. As the existence of life beyond Earth is currently uncertain, planetary habitability is largely an extrapolation of conditions on Earth and the… …
37Insect flight — Insects are the only group of invertebrates known to have evolved flight. Insects possess some remarkable flight characteristics and abilities, still far superior to attempts by humans to replicate their capabilities. Even our understanding of… …
38Gyro monorail — The gyro monorail, gyroscopic monorail, gyro stabilized monorail, or gyrocar all denote a single rail land vehicle, road or rail, which uses the gyroscopic action of a spinning wheel, which is forced to precess, to overcome the inherent inverted… …
39Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate …
40LifeCam — The LifeCam is a Webcam from Microsoft for home PC users available in various models. Its special features include an embedded microphone and integration with Windows Live Messenger, thus enabling direct Internet support. All models of Lifecam… …
