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Escapement print that page

Le_Roy_escapement_mechanism

In mechanical watches and clocks , an escapement is a device that (1) transfers energy to the timekeeping element and (2) enables counting the number of oscillations of the timekeeping element. It is the source of the "ticking" sound in watches and clocks. An escapement transfers energy

Semiconductor device print that page

Replica-of-first-transistor

Semiconductor devices are manufactured both as single discrete devices and as integrated circuits (ICs), which consist of a number—from a few (as low as two) to billions—of devices manufactured and interconnected on a single semiconductor substrate. The main reason semiconductor materials

Bicycle and motorcycle dynamics print that page

BikeModel

smaller the turn radius , the more lean is required. This balances the roll torque about the wheel contact patches generated by centrifugal force due to the turn with that of the gravitational force . This lean is usually produced by a momentary steering in the opposite direction, called

Prime Directive print that page

In the universe of Star Trek , the Prime Directive , Starfleet 's General Order #1, is the most prominent guiding principle of the United Federation of Planets . The Prime Directive dictates that there can be no interference with the internal development of alien civilizations. It has special

wikipedia.org | 2011/8/30 6:38:18

Friction print that page

When surfaces in contact move relative to each other, the friction between the two surfaces converts kinetic energy into heat . This property can have dramatic consequences, as illustrated by the use of friction created by rubbing pieces of wood together to start a fire. Kinetic energy is

wikipedia.org | 2011/10/4 13:13:17

Van der Pauw method print that page

VanderPauwContactPlacement

and isotropic 4. All four contacts must be located at the edges of the sample 5. The area of contact of any individual contact should be at least an order of magnitude smaller than the area of the entire sample. [ edit ] Sample preparation In order to use the van der Pauw method, the

Business continuity planning print that page

In plain language, BCP is working out how to stay in business in the event of disaster. Typical incidents include local events like building fires, regional incidents like earthquakes or floods, or national incidents like pandemic illnesses. However, it is not limited to just that. Any event

wikipedia.org | 2011/9/22 12:17:39

Electromotive force print that page

Reaction_path

In physics , electromotive force , emf (seldom capitalized), or electromotance (dentoed ε and measured in volts ) refers to voltage generated by a battery or by the magnetic force according to Faraday's Law , which states that a time varying magnetic field will induce an electric current

Light switch print that page

Australian_Light_Switch

light switch box (a pattress box ) has a plastic, ceramic or metal cover to prevent accidental contact with live terminals of the switch. Wall plates are available in different styles and colours to blend in with the style of a room. History and culture Two light switches in one box

Countersteering print that page

Countersteer_response

It is important to distinguish between countersteering as a physical phenomenon and countersteering as a conscious rider technique for initiating a lean (the usual interpretation of the term). The physical phenomenon always occurs, because there is no other way to cause the bike and rider