ebonite dust

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Commutator (electric) — This article is about the electrical component. For mathematical concept, see Commutator . A tiny 5 segment commutator less than 2 mm in diameter, on a direct current motor in a toy radio control ZipZaps car. A commutator is a rotary electri … Wikipedia
Triboelectric effect — Triboelectric series: Most positively charged + Air Human skin Leather Rabbit s fur Glass Quartz Mica Human hair … Wikipedia
Lichtenberg figure — Lichtenberg figures (Lichtenberg Figuren, or Lichtenberg Dust Figures ) are branching electric discharges that sometimes appear on the surface or the interior of insulating materials. They are named after the German physicist Georg Christoph… … Wikipedia
The Deadly Assassin — 088 – The Deadly Assassin Doctor Who serial The Lord President in the sights of the deadly assassin Cast … Wikipedia
Solid ground floor — The solid ground floor consists of a layer of concrete, which is the case of a domestic building will be the surface layer brought up to ground floor level with hardcore filling under it. The advantage of a solid ground floor is the elimination… … Wikipedia

Словари и энциклопедии на Академике