barium titanate transducer
11Woodward effect — The Woodward Effect, also called the Mach Effect (particularly by Dr. Woodward himself), is an experimental method for propellantless propulsion. It was first proposed by Dr. James F. Woodward, a physicist at California State University at… …
12sonar — /soh nahr/, n. 1. a method for detecting and locating objects submerged in water by echolocation. 2. the apparatus used in sonar. Also called, Brit., asdic. [1940 45; so(und) na(vigation) r(anging)] * * * Technique for detecting and determining… …
Страницы
- 1
- 2
