Computer repair services are best fitted for offices and other important business firms where there are quite a number of machines. There are countless companies and service providers who repair computers for industries and offices.
Computer repair services can be classified under the following heads:
(a) Organizations who render technical support to offices and homes.
(b) Online […]

Whether it is virtual reality, urban planning, restoration of ancient arts, communication on a global basis, defense strategies, watching programs or carrying on with daily business, the computer has become an indispensable part of our daily life.
However, when our computer suffers from technical problems, whether it is viral or any other hardware or software […]

The technique of eliciting convulsions by applying an electric current through the brain of a human or an experimental animal for a brief period. Low current produces clonic (rapidly alternating muscle contraction and relaxation) convulsions, while high current produces tonic (steady muscle contraction) convulsions followed by clonic convulsions. Tonic convulsions cause loss of consciousness for […]

A transient change in certain electrical properties of the skin, associated with the sweat gland activity and elicited by any stimulus that evokes an arousal or orienting response. Originally termed the psychogalvanic reflex, this phenomenon became known as the galvanic skin response. Electrodermal response (EDR) has replaced galvanic skin response as the collective term.
The skin […]

An autonomous undersea vehicle that can be launched from submarines, surface ships, or air craft to attack enemy submarines and surface ships. Its main components are a guidance and control system, a power plant to provide propulsive and electrical energy, a propulsor to control speed and direction, and a warhead. The launching plat form performs […]

The field of science and technology that is concerned with the diffraction of visible or infrared light (usually from a laser) by high-frequency sound in the frequency range of 50—2000 MHz. The term “acousto” is a historical misnomer; sound in this frequency range should properly be called ultra sonic. Such sound cannot be supported by […]

A mine that either passively listens to a target’s sound noises or periodically interrogates its environment by actively emitting acoustic pulses that may return echoes if prospective targets come within range. A mine is an underwater weapon consisting of a shell case containing high explosives. Mines can be planted by airplanes, surface ships, or submarines. […]

The use of intense acoustic waves to hold a body that is immersed in a fluid medium against the force of gravity without obvious mechanical support.
Levitation can occur in the presence of fluid flow, including the back-and-forth fluid flow produced by the passage of an acoustic wave. Such acoustically generated forces are extremely small in […]