ultrasound generator
31Natural scientific research in Canada — This article outlines the history of natural scientific research in Canada, including mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… …
32Konrad Lorenz — Born November 7, 1903(1903 11 07) Vienna, Austria Hungary …
33Positron emission tomography — (PET) is a nuclear medicine imaging technique which produces a three dimensional image or map of functional processes in the body. The system detects pairs of gamma rays emitted indirectly by a positron emitting radionuclide (tracer), which is… …
34Sound card — A Sound Blaster Live! Value card, a typical (circa 2000) PCI sound card. Connects to Motherboard via one of: PCI ISA USB IEEE 139 …
35Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) …
36Puberty — refers to the process of physical changes by which a child s body becomes an adult body capable of reproduction. Puberty is initiated by hormone signals from the brain to the gonads (the ovaries and testes). In response, the gonads produce a… …
37List of rock and roll performers — This is a list of rock and roll performers.Early North American rock and roll (1951 1963)*The Beach Boys *Bill Haley His Comets key contributor of the rockabilly revolution from R B to rock and roll; Rocket 88 , Rock Around the Clock *Bo Diddley… …
38Argonne National Laboratory — Established 1946 Research Type Research Field of Research Physical science Life …
39Wavetable synthesis — is a technique used in certain digital music synthesizers to implement real time additive synthesis and direct digital synthesis with a minimum of hardware. The technique was first developed by Wolfgang Palm in the late 1970s, and has since been… …
40Nikolaas Tinbergen — Niko Tinbergen Nikolaas Niko Tinbergen (left) and Konrad Lorenz (right) Born …
