non moving parts
121Voice coil — A voice coil (consisting of a bobbin, collar and winding) is the coil of wire attached to the apex of the cone of a loudspeaker. It provides the motive force to the cone by the reaction of a magnetic field to the current passing through it. The… …
122Ionocraft — [ thumb|right|A simple ionocraft, generating 15 gF (0.147 newtons) of thrust at 54 kV] An ionocraft or ion propelled aircraft, commonly known as a lifter, is an electrohydrodynamic device (utilizing an electrical phenomenon known as the… …
123Norwegian nobility — are persons and families who in early times belonged to the supreme social, political, and military class and who later were members of the institutionalised nobility in the Kingdom of Norway. It has its historical roots in the group of… …
124Hydropneumatic device — North American, European, and other languages refer to hydropneumatic devices such as a hydropneumatic accumulator or pulsation damper using very different words. In many cases this can cause a great deal of word usage confusion. This article… …
125ADN bactérien — Bacteria Bactérie …
126Bacteria — Bactérie …
127Bacterie — Bacteria Bactérie …
128Bactérie — Bacteria Bactérie …
