Free electron model — In three dimensions, the density of states of a gas of fermions is proportional to the square root of the kinetic energy of the particles. In solid state physics, the free electron model is a simple model for the behaviour of valence electrons in … Wikipedia
Free Will — • The question of free will, moral liberty, or the liberum arbitrium of the Schoolmen, ranks amongst the three or four most important philosophical problems of all time Catholic Encyclopedia. Kevin Knight. 2006. Free Will Free Will … Catholic encyclopedia
FREE WILL — FREE WILL, a philosophic and theological notion referring initially to the observation that man is able to choose between a number of possible courses of action, becoming, through his choice, the cause of the action which he selects. Among… … Encyclopedia of Judaism
Free will in theology — is an important part of the debate on free will in general. This article discusses the doctrine of free will as it has been, and is, interpreted within the various branches of Christianity, Judaism, Islam and Hinduism. In Christian thoughtIn… … Wikipedia
Solution focused brief therapy — (SFBT), often referred to as simply solution focused therapy or brief therapy , is a type of talking therapy that is based upon social constructionist philosophy. It focuses on what clients want to achieve through therapy rather than on the… … Wikipedia
Time Reversal Signal Processing — is a technique for focusing waves. A Time Reversal Mirror (TRM) is a device that can focus waves using the time reversal method. TRMs are also known as time reversal mirror arrays, as they are usually arrays of transducers, but they do not have… … Wikipedia
Free-fall — is motion with no acceleration other than that provided by gravity. Since this definition does not specify velocity, it also applies to objects initially moving upward. Although the definition specifically excludes all other forces such as… … Wikipedia
Free market roads — is the libertarian concept of privately owned roads as opposed to the most normal government owned ones in existence today.Roads are often cited as a justification for the need for government action, both for their creation and maintenance. As… … Wikipedia
Free Muslim Coalition Against Terrorism — (FMCAT) is an Islamic organization dedicated to taking a stand against terrorism. FMCAT is also know by the short hand name of the Free Muslims Coalition or an even shorter name of Free Muslims. It was formed in May 2004 by Kamal Nawash, a lawyer … Wikipedia
Free flight (air traffic control) — Free flight is a developing air traffic control method that uses no centralized control (e.g. air traffic controllers). Instead, parts of airspace are reserved dynamically and automatically in a distributed way using computer communication to… … Wikipedia
Time in physics — In physics, the treatment of time is a central issue. It has been treated as a question of geometry. One can measure time and treat it as a geometrical dimension, such as length, and perform mathematical operations on it. It is a scalar quantity… … Wikipedia