Free market — A free market is a market in which property rights are voluntarily exchanged at a price arranged completely by the mutual consent of sellers and buyers. In a free market, individuals, rather than government, make the majority of decisions… … Wikipedia
Free convective layer — In atmospheric sciences, the free convective layer (FCL) is the layer of conditional or potential instability in the troposphere. It is a layer of positive buoyancy (PBE) and is the layer where deep, moist convection (DMC) can occur. On an… … Wikipedia
Torsion-free abelian groups of rank 1 — Infinitely generated abelian groups have very complex structure and are far less well understood than finitely generated abelian groups. Even torsion free abelian groups are vastly more varied in their characteristics than vector spaces. Torsion… … Wikipedia
Radio Free Europe/Radio Liberty — This article is about the radio broadcast service. For the R.E.M. song, see Radio Free Europe (song). Radio Free Europe/Radio Liberty (RFE/RL) is a radio and communications organization funded by the United States Congress, currently residing in… … Wikipedia
Sustainability metrics and indices — Sustainable development indicators (SDI) have the potential to turn the generic concept of sustainability into action. Today, however, we are far from achieving this potential. We can t currently find a standardized set of indicators and several… … Wikipedia
Helmholtz free energy — In thermodynamics, the Helmholtz free energy is a thermodynamic potential which measures the “useful” work obtainable from a closed thermodynamic system at a constant temperature and volume. For such a system, the negative of the difference in… … Wikipedia
List of indices of freedom — There are several non governmental organizations that publish and maintain assessments of the state of freedom in the world, according to their own various definitions of the term, and rank countries as being free, partly free, or unfree using… … Wikipedia
Gas-free engineer — A gas free engineer (GFE) is a person that has successfully completed a similarly named training course offered by the United States Navy. The gas free engineer is thereby qualified to certify a confined space as being safe to enter without the… … Wikipedia
Einstein notation — In mathematics, especially in applications of linear algebra to physics, the Einstein notation or Einstein summation convention is a notational convention useful when dealing with coordinate formulas. It was introduced by Albert Einstein in 1916 … Wikipedia
Gender-related Development Index — The Gender related Development Index (GDI) is an indication of the standard of living in a country, developed by the United Nations (UN). It is one of the five indicators used by the United Nations Development Programme in its annual Human… … Wikipedia
