electronic rocket-engine
21Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
22Ignition system — For other uses, see Ignition system (disambiguation). An ignition system is a system for igniting a fuel air mixture. Ignition systems are well known in the field of internal combustion engines such as those used in petrol (gasoline) engines used …
23Secret and special weapons in Showa Japan — This article refer to Plans for the incorporation and development of special or secret weapons in Imperial Japan during the first part of the Showa era, for the Second sino japanese war and World War II, that were originally hidden from public… …
24Scramjet — Part of a series on Aircraft propulsion Shaft engines (to drive pr …
25P-15 Termit — Termit A P 15M missile (SS N 2c) being unloaded from a former East German Navy Tarantul class missile boat. Type Anti ship missile …
26space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …
27Edwards Air Force Base — Part of Air Force Materiel Command (AFMC) Located near: Edwards, California …
28Spaceplane — A Space Shuttle rocketing into space, just after booster separation. A spaceplane is a vehicle that operates as an aircraft in Earth s atmosphere, as well as a spacecraft when it is in space. It combines features of an aircraft and a spacecraft,… …
29Silkworm missile — The HY 2 Haiying (zh cpl|c=海鹰|p=hǎiyīng|l=Sea Eagle), known in Western media as the Silkworm missile, is an anti ship cruise missile made by the People s Republic of China and still used by many countries in the Middle East. Since the 1980s, the… …
30Apollo spacecraft — The Apollo spacecraft was designed as part of the Apollo Program, by the United States in the early 1960s to land men on the moon before 1970 and return them safely to earth. This goal was set forth by President Kennedy after the first flight of… …
