three-axis rate transmitter
21Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
22Moon — This article is about Earth s Moon. For moons in general, see Natural satellite. For other uses, see Moon (disambiguation) …
23Weather radar — in Norman, Oklahoma with rainshaft …
24History of timekeeping devices — For thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 BC, in Sumer. The Ancient Egyptians divided the day into two 12 hour periods, and… …
25Twin paradox — In physics, the twin paradox is a thought experiment in special relativity, in which a twin makes a journey into space in a high speed rocket and returns home to find he has aged less than his identical twin who stayed on Earth. This result… …
26cryptology — cryptologist, n. cryptologic /krip tl oj ik/, cryptological, adj. /krip tol euh jee/, n. 1. cryptography. 2. the science and study of cryptanalysis and cryptography. [1635 45; < NL cryptologia. See CRYPTO , LOGY] * * * Introduction …
27Savoia-Marchetti SM.82 — Infobox Aircraft name=SM.82 Marsupiale caption= type=Heavy bomber/transport manufacturer= Savoia Marchetti designer= first flight= 1939 introduced= 1941 retired= After 1960 status= primary user=Regia Aeronautica more users=Luftwaffe Aeronautica… …
28Potsdamer Platz — Major buildings at Potsdamer Platz from the air in 2004 …
29undersea exploration — Introduction the investigation and description of the ocean waters and the seafloor and of the Earth beneath. Primary objectives and accomplishments Included in the scope of undersea exploration are the physical and chemical… …
30Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
