solenoids
81God helmet — The term God Helmet refers to a controversial experimental apparatus in neurotheology. The apparatus, placed on the head of an experimental subject, stimulates the brain with magnetic fields. Some subjects reported experiences similar to… …
82Valvetrain — A traditional reciprocating internal combustion engine uses valves to control air and fuel flow into and out of the cylinders, facilitating combustion.Valvetrain is an all encompassing term used to describe the mechanisms and parts which control… …
83Electromagnetic coil — An electromagnetic coil (or simply a coil ) is formed when a conductor (usually a solid copper wire) is wound around a core or form to create an inductor or electromagnet. One loop of wire is usually referred to as a turn , and a coil consists of …
84Apple SilenType — The Apple SilenType was Apple s first printer, released in June 1979 for US$599 [ [http://apple2history.org/history/ah13.html Apple II History Chapter 13] ] , at the same time as the Apple II+. The SilenType s firmware was written by Andy… …
85Fire alarm system — An automatic fire alarm system is designed to detect the unwanted presence of fire by monitoring environmental changes associated with combustion. In general, a fire alarm system is either classified as automatic, manually activated, or both.… …
86Fluid Drive — is the trademarked name that Chrysler Corporation assigned to a transmission driveline combination offered from 1939 through 1953 in Chryslers and Desotos, and from 1939 through 1954 in Dodge models. The fluid drive element was a hydraulic… …
87Lego pneumatics — is a variety of Lego bricks which utilise air pressure and specialised components to perform various actions utilising the principles of pneumatics. History The LEGO pneumatics components were first introduced as part of the LEGO Technic range in …
88Barton Organ Company — The Barton Organ Company was an American pipe organ manufacturer during the age of silent movies. The company was founded by Dan Barton, who came from Amherst, Wisconsin. The fifth largest builder of theater instruments in the nationFact|date=May …
89The Great American Scream Machine (Six Flags Over Georgia) — Infobox roller coaster name=The Great American Scream Machine caption=The front entrance of the attraction. location=Six Flags Over Georgia section= type=Wood status=Open opened=1973 manufacturer=Philadelphia Toboggan Company designer=Don Rosser …
90Electronic packaging — is a major discipline within the field of electronic engineering, and includes a wide variety of technologies. It refers to enclosures and protective features built into the product itself, and not to shipping containers. It applies both to end… …
