Variable Specific Impulse Magnetoplasma Rocket — Artist s impression of several VASIMR engines propelling a craft through space The Variable Specific Impulse Magnetoplasma Rocket (VASIMR) is an electro magnetic thruster for spacecraft propulsion. It uses radio waves to ionize and heat a… … Wikipedia
Advanced Test Reactor — The Advanced Test Reactor (ATR) is a research reactor at the Idaho National Laboratory. This reactor is primarily designed and used to test materials to be used in other, larger scale and prototype reactors. It can operate at a maximum power of… … Wikipedia
Neutron source — Science with Neutrons Foundations Neutron temperature Flux · Radiation … Wikipedia
Business 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… … Universalium
Memristor — Type Passive Working principle Memristance Invented Leon Chua (1971) First production HP Labs (2008) Electronic symbol … Wikipedia
Mathematics 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… … Universalium
Neutron transport — is the study of the motions and interactions of neutrons with materials. Nuclear scientists and engineers often need to know where neutrons are in an apparatus, what direction they are going, and how quickly they are moving. It is commonly used… … Wikipedia
Reaction calorimeter — A reaction calorimeter is an instrument that enables the energy being released or absorbed by a reaction to be measured. The majority of events taking place within a reactor release or absorb energy, so if that can be measured it allows a view of … Wikipedia
Nuclear weapon design — The first nuclear weapons, though large, cumbersome and inefficient, provided the basic design building blocks of all future weapons. Here the Gadget device is prepared for the first nuclear test: Trinity. Nuclear weapon designs are physical,… … Wikipedia
SANS instruments — World Directory of SANS InstrumentsSANS stands for small angle neutron scattering, an advanced laboratory technique used for investigations of structure of various substances, with spatial sensitivity of about 1 1000 nm. The number of SANS… … Wikipedia
Lexique sur l’eau — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Sommaire 1 Carence en eau 1.1 Trop d eau … Wikipédia en Français