VIDAL DE AC BLASH (Vidal de la Blache) Pol (1845-1918), the French geographer, the founder of the French scientific school " geography of the person ". The book " Principles of geography of the person " (1922).

VIDAL (Widal) Fernan (1862-1929), the French therapist and infektsionist. Has placed{installed} a role of a streptococcus at septic postnatal complications; has developed a serological method of diagnosis of a typhoid (reaction Vidalja), has shown distinction{difference} between an anaphylaxis and an idiosyncrasy; one of founders of the functional direction in a nephrology.

VIDAR, in the Scandinavian mythology the god by a nickname " the Silent ace ", son Odina and velikanshi Grid; the mighty defence attorney of gods who should kill wolf Fenrira and survives after death of the world.

VIDEMAN (Wiedemann) Gustav Genrih (1826-99), german physics, foreign corresponding member Petersburg AN (1883). One of writers of law Videmana - Frantsa (1853), has discovered the effect called as his{its} name (1858).

VIDEMANA EFFECT, twisting of a ferromagnetic rod at simultaneous action on him{it} of a longitudinal magnetic field and the circular magnetic field built by a current flow weeping along a rod. It is stipulated by a magnetostriction, it is open{discovered} Ã. Videmanom (1858).

VIDEO... (from an armour. video - I look, I see), the part of the composite words directing attitude{relation} to electrical signals which bear the information on the plotting (video signal), and also to systems and the devices used in transmitting systems plotting (picture phone).

The VIDEO-ART (English video art), a direction in from - art of the last third of 20 century, using capabilities of a video technique. As against naturally television, designed on translation for the mass spectator, the video-art applies television receivers, video cameras and monitors in unique heppeningah, and effects also experimental films spirit of conceptual art which are demonstrated in the special exhibition spaces. With the help of the modern electronics engineering shows as though " a brain in operation ", a visual path{route} from art idea to its{her} implementation. The main founder of a direction the American of the Korean origin to us JUn Pajk is considered.

VIDEO, image recording routinely on a magnetic tape (magnetic video) for consequent reproduction on a screen of the television receiver through the videotape recorder. At video the plotting will be transformed{reformed} by a television camera to sequence of electrical signals (video signals) which are fixed on a magnetic tape.

VIDEOPULSE (from a video... And a pulse), electric pulse of rectangular, trapezoidal, exponential, bell-shaped or other form (predominary one polarity). Use in a television, computer facilities, automatics, etc.

The VIDEO CAMERA, portative television taking camera, structurally consolidated with a video cassette recorder; for record of picture signals and a note the magnetic tape in width of 12,7 and 8 mm is used. The video camera has an electronic viewfinder which can be used as well for survey just(now) the recorded plotting.

VIDEO CLIP (from English clip - to cut, break off), television art interpreting variety, the priest or fates - songs, as a rule, with application of "fractional" wiring and special effects. Distribution{propagation} is connected to occurrence{appearance} in 80th 20 By century of cable musical telechannels and the market of a household video equipment and VCR cassettes. It is used including in the advertising purposes.

The VIDEOTAPE RECORDER, the device for record on a magnetic tape of electrical picture signals (with sound broadcasting) and their reproduction. Speed of the relative{mutual} conveyance of a magnetic tape and the head up to 50 ms.

VIDEO SIGNAL, electrical signal with a broad frequency spectrum (it is routine from tens in Hz up to several MHz), used for building the plotting in a television, radiolocation, a facsimile communication.

The PICTURE PHONE, the telecommunication system including television and telephone devices, in aggregate permitting to subscribers at negotiations to see one another, to demonstrate drawings, photos, texts, etc.

VIDEO AMPLIFIER, the booster of video signals; passband routinely up to several MHz. Apply in television, radar, measuring, oscillographic, etc. instrumentation.

VIJAYAWADA (Bezwada), city in the south of India, on r. Krishna, pieces. Andhra Pradesh. 701 thousand inhabitants (1991). The textile, alimentary, cement, machine-building enterprises.

VIDZHAJANAGAR, the state in JUzh. India in 14-17 centuries, the largest hindu state in the season{term} of domination of Muslim dynasties on a considerable proportion of India. The beginning of decline - after battle at Talikote.

VIDZHNJANAVADINY, see. Jogachary.

VIDZEME (Vidzeme), historical range in Latvia, northward from r. Ajviekste (up to 1629 northward from r. Daugava). Since 13 century in Livonia, about 1561 duchy Zadvinskoe. With 1629 in Swedish province Lifljandija, austral part Vidzeme - Latgale has departed to Poland. In 1710-1917 Lifljandskaja lips. Russian empire.