metal-air battery
81Field emission display — A field emission display (FED) is a display technology that incorporates flat panel display technology that uses large area field electron emission sources to provide electrons that strike colored phosphor to produce a color image as a electronic …
82Hydrogen economy — The hydrogen economy is a proposed system of delivering energy using hydrogen. The term hydrogen economy was coined by John Bockris during a talk he gave in 1970 at General Motors (GM) Technical Center.[1] Hydrogen advocates promote hydrogen as… …
83Three-dimensional integrated circuit — In electronics, a three dimensional integrated circuit (3D IC, 3D IC, or 3 D IC) is a chip in which two or more layers of active electronic components are integrated both vertically and horizontally into a single circuit. The semiconductor… …
84Outline of energy — See also: Index of energy articles In physics, energy (from the Greek ἐνέργεια – energeia, activity, operation , from ἐνεργός – energos, active, working [1]) is a scalar physical quantity that describes the amount of work that can be performed by …
85Corgi Toys — (trademark) is the name of a range of die cast toy vehicles produced by Mettoy Playcraft Ltd. in the United Kingdom. The Mettoy company was founded in 1933 by German émigré Philip Ullmann in Northampton, England, where he was later joined by… …
86Voltaic pile — A copper zinc voltaic pile. A voltaic pile on disp …
87Clark cell — (1897) The Clark cell, invented by English engineer Josiah Latimer Clark in 1873, is a wet chemical cell (colloquially: battery) that produces a highly stable voltage usable as a laboratory standard. Contents …
88PlayStation 3 accessories — Various accessories for the PlayStation 3 video game console have been produced by Sony. These include controllers, audio and video input devices like microphones and video cameras, and cables for better sound and picture quality. Contents 1 Game …
89Cloak of invisibility — Alberich puts on the Tarnhelm and vanishes; illustration by Arthur Rackham to Richard Wagner s Das Rheingold Plot element from Folk lore and fairy tales First appearan …
90Chromic acid cell — The Chromic acid cell was a type of primary cell which used chromic acid as a depolarizer. The chromic acid was usually made by acidifying (with sulfuric acid) a solution of potassium dichromate. The old name for potassium dichromate was… …
