liquid-hydrogen(-fueled) rocket engine
111submarine — n. /sub meuh reen , sub meuh reen /; adj., v. /sub meuh reen /, n., adj., v., submarined, submarining. n. 1. a vessel that can be submerged and navigated under water, usually built for warfare and armed with torpedoes or guided missiles. 2.… …
112NASA X-43 — NASA technicians working on the X 43A at the tip of a Pegasus rocket mounted to a Boeing B 52B prior to launch on March 27, 2004. The X 43 is an unmanned experimental hypersonic aircraft with multiple planned scale variations meant to test… …
113Space Race — For a discussion of all spaceflight programs to date, see History of spaceflight. For a list of key events, see Timeline of space exploration. For other uses of the term, see Space Race (disambiguation). A replica of Sputnik 1, the world s… …
114Moon landing — For other uses, see Moon landing (disambiguation). Still frame from the video transmission of Neil Armstrong stepping onto the surface of the Moon at 02:56 UTC on 21 July 1969. An estimated 500 million people worldwide watched this event,… …
115energy conversion — ▪ technology Introduction the transformation of energy from forms provided by nature to forms that can be used by humans. Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy …
116Methanol — Not to be confused with menthol. For methane water ice , see Methane clathrate. For resolution of hydrate / clathrate confusion, see hydrate. Methanol …
117Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
118MythBusters (2004 season) — Country of origin Australia United States No. of episodes 20 (includes 4 specials) Broadcast Original channel Discovery Channel …
119Molecular nanotechnology — Part of a series of articles on Molecular Nanotechnology …
120Nuclear fission — For the generation of electrical power by fission, see Nuclear power. Splitting the atom redirects here. For the EP, see Splitting the Atom. Nuclear physics Radioactive decay Nuclear fission Nuclear fusio …
