path through circuit
61List of topics named after Leonhard Euler — In mathematics and physics, there are a large number of topics named in honour of Leonhard Euler (pronounced Oiler ). As well, many of these topics include their own unique function, equation, formula, identity, number (single or sequence), or… …
62Respirator — A respirator is a device designed to protect the wearer from inhaling harmful dusts, fumes, vapors, and/or gases. Respirators come in a wide range of types and sizes used by the military, private industry, and the public. Respirators range from… …
63Seneca people — Seneca Seneca Nation President Barry E. Snyder, Jr., 2009 …
64Enigma machine — Military Enigma machine …
65Naval mine — Polish wz. 08/39 contact mine. The protuberances around the top of the mine, called Hertz horns, are part of the detonation mechanism …
662012 phenomenon — Part of a series on …
67Magnetic core — A magnetic core is a piece of magnetic material with a high permeability used to confine and guide magnetic fields in electrical, electromechanical and magnetic devices such as electromagnets, transformers, electric motors, inductors and magnetic …
68Onion routing — is a technique for anonymous communication over a computer network. Messages are repeatedly encrypted and then sent through several network nodes called onion routers. Like someone unpeeling an onion, each onion router removes a layer of… …
69Electrical generator — In electricity generation, an electrical generator is a device that converts mechanical energy to electrical energy, generally using electromagnetic induction. The reverse conversion of electrical energy into mechanical energy is done by a motor …
70Strength training — This article is about the basic principles to train muscular strength. For strength training using free weights or weight machines, see weight training. The lat. pulldown, which strengthens the arms and back Strength training is the use of… …
