needle detector
1Cat's-whisker detector — Galena cat s whisker detector Precision cat s whisker d …
2Metal detector — A U.S. Army soldier uses a metal detector to search for weapons and ammunition in Iraq A metal detector is a device which responds to metal that may not be readily apparent. The simplest form of a metal detector consists of an oscillator… …
3Magnetic detector — 1902 1918: Marconi s Wireless Magnetic Detector (London) The magnetic detector was one of the first practical devices able to make radio signals audible through a pair of headphones. It was not as sensitive as some detectors but despite that, it… …
4ESEM — stands for environmental scanning electron microscope. This is a scanning electron microscope (SEM) that allows a gaseous environment in the specimen chamber. Whereas all conventional microscopes operate in vacuum, the ESEM has added a new… …
5Environmental scanning electron microscope — Wool fibers imaged in an ESEM by the use of two symmetrical plastic scintillating backscattered electron detectors …
6Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …
7MythBusters (2004 season) — Country of origin Australia United States No. of episodes 20 (includes 4 specials) Broadcast Original channel Discovery Channel …
8Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …
9Tracheal intubation — Intervention Anesthesiologist using the Glidescope video laryngoscope to intubate the trachea of a morbidly obese elderly person with challenging airway anatomy …
10Thimble — This article is about the protective shield worn on the finger or thumb. For the wire rope termination device, see Wire rope#Thimbles. A thimble …
