pitch-diameter error
31Centrifugal compressor — Centrifugal compressors, sometimes termed radial compressors, are a sub class of dynamic axisymmetric work absorbing turbomachinery.[1] Centrifugal impeller with a highly polished surface likely to improve performance …
32Motion simulator — Simulator seating St. Louis Zoo A motion simulator or motion platform is a mechanism that encapsulates occupants and creates the effect/feelings of being in a moving vehicle. Motion simulators fall into two categories (described below) based on… …
33Milky Way Galaxy — Large spiral galaxy (roughly 150,000 light years in diameter) that contains Earth s solar system. It includes the multitude of stars whose light is seen as the Milky Way, the irregular luminous band that encircles the sky defining the plane of… …
34Dial indicator — Dial indicators, also known as dial gauges and probe indicators, are instruments used to accurately measure small linear distances, and are frequently used in industrial and mechanical processes. They are named so because the measurement results… …
35Space Shuttle — STS redirects here. For other uses, see STS (disambiguation). This article is about the NASA Space Transportation System vehicle. For the associated NASA STS program, see Space Shuttle program. For other shuttles and aerospace vehicles, see… …
36Emery Molyneux — One of Molyneux s celestial globes, which is displayed in Middle Temple Library – from the frontispiece of the Hakluyt Society s 1889 reprint of A Learned Treatise of Globes, both Cœlestiall and Terrestriall, one of the English editions of Robert …
37F-22 Raptor — Infobox Aircraft name= F 22 Raptor type= Stealth Air superiority fighter national origin = United States manufacturers=Lockheed Martin Aeronautics Boeing Integrated Defense Systems caption= Two F 22 Raptors in column flight formation designer=… …
38cricket — cricket1 cricketlike, adj. /krik it/, n. 1. any of several jumping, orthopterous insects of the family Gryllidae, characterized by long antennae and stridulating organs on the forewings of the male, as one of the species commonly found in… …
39Viscosity — For other uses, see Viscosity (disambiguation). Viscosity The substance above has lower viscosity than the substance below SI symbol: μ, η SI unit: Pa·s  …
40Physical 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… …
