Fuel injection — Fuel rail connected to the injectors that are mounted just above the intake manifold on a four cylinder engine. Fuel injection … Wikipedia
Mass ratio — Astrodynamics Orbital mechanics Equations … Wikipedia
Mass driver — For fictional mass drivers, see List of electromagnetic projectile devices in fiction. Artist s conception of a mass driver for lunar launch A mass driver or electromagnetic catapult is a proposed method of non rocket spacelaunch which would use… … Wikipedia
Fuel efficiency in transportation — This page describes fuel efficiency in means of transportation. For the environmental impact assessment of a given product or service throughout its lifespan, see life cycle assessment. Caveats Comparing Fuel efficiency in transportation is a bit … Wikipedia
Mass transit in New York City — Main article: Transportation in New York City Inside New York s Grand Central Terminal, the second busiest rail station in the United States. New York City s public transportation network is the most extensive in North America. About one in every … Wikipedia
Propellant mass fraction — In aerospace engineering, the propellant mass fraction is a measure of a vehicle s performance, determined as the portion of the vehicle s mass which does not reach the destination. In a spacecraft, this is an orbit, while for aircraft it is… … Wikipedia
Pakistan and weapons of mass destruction — Pakistan Nuclear program start date January 20, 1972 First nuclear weapon test May 28, 1998 First fusion weap … Wikipedia
Critical mass — This article is about nuclear fission reactions. For other uses, see Critical mass (disambiguation). As part of a re creation of a 1945 criticality accident, a plutonium pit is surrounded by blocks of neutron reflective tungsten carbide. The… … Wikipedia
Solid-fuel rocket — A solid rocket or a solid fuel rocket is a rocket with a motor that uses solid propellants (fuel/oxidizer). The earliest rockets were solid fueled, powered by gunpowder, used by the Chinese and Arabs in warfare as early as the 13th century. All… … Wikipedia
India and weapons of mass destruction — India Nuclear program start date 1967 First nuclear weapon test 18 May 1974 (Smiling Buddha) … Wikipedia
North Korea and weapons of mass destruction — North Korea Nuclear program start date 1956 First nuclear weapon test October 9, 2006 Last nuclear test … Wikipedia