exposure to infrasound

См. также в других словарях:

• infrasonics — /in freuh son iks/, n. (used with a sing. v.) the branch of science that deals with infrasonic phenomena. [1965 70; see INFRASONIC, ICS] * * * ▪ physics       vibrational or stress waves in elastic media, having a frequency below those of sound… …   Universalium

• Sound from ultrasound — Contents 1 Parametric array 2 Applications 2.1 Commercial advertising …   Wikipedia

• ultrasonics — /ul treuh son iks/, n. (used with a sing. v.) the branch of science that deals with the effects of sound waves above human perception. [1930 35; see ULTRASONIC, ICS] * * * Vibrational or stress waves in elastic media that have a frequency above… …   Universalium

• Sonic weaponry — Sonic and ultrasonic weapons (USW) are weapons of various types that use sound to injure, incapacitate, or kill an opponent. Some sonic weapons are currently in limited use or in research and development by military and police forces. Others… …   Wikipedia

• Less-lethal weapon — Less lethal weapons, less than lethal weapons, non lethal weapons, non deadly weapons, or, more recently, compliance weapons are weapons intended to be unlikely to kill or to cause great bodily injury to a living target. In the past, police (or… …   Wikipedia

• Late-May 1998 tornado outbreak and derecho — The Late May 1998 Tornado Outbreak and Derecho was a historic tornado outbreak and derecho that began on the afternoon of May 30 extending throughout May 31, 1998, across a large portion of the northern half of the United States and southern… …   Wikipedia

• Sun — This article is about the star. For other uses, see Sun (disambiguation). The Sun …   Wikipedia

• Mark Purdey — John Mark Purdey (December 25, 1953 – November 12, 2006) was a British organic farmer who came to public attention in the 1980s, when he began to circulate his own theories regarding the causes of bovine spongiform encephalopathy (BSE or mad cow… …   Wikipedia

• Ultrasound — Not to be confused with Supersonic .Ultrasound is cyclic sound pressure with a frequency greater than the upper limit of human hearing. Although this limit varies from person to person, it is approximately 20 kilohertz (20,000 hertz) in healthy,… …   Wikipedia

• Late-May 1998 Tornado Outbreak and Derecho — The Late May 1998 Tornado Outbreak and Derecho was a historic tornado outbreak and derecho that began on the afternoon of May 30 extending throughout May 31, 1998, across a large portion of the northern half of the United States and southern… …   Wikipedia

• Geophysical MASINT — is a branch of Measurement and Signature Intelligence (MASINT) that involves phenomena transmitted through the earth (ground, water, atmosphere) and manmade structures including emitted or reflected sounds, pressure waves, vibrations, and… …   Wikipedia