electronic security alarm
121Race condition — in a logic circuit. Here, ∆t1 and ∆t2 represent the propagation delays of the logic elements. When the input value (A) changes, the circuit outputs a short spike of duration (∆t1+∆t2) ∆t2 = ∆t1. A race condition or race hazard is a flaw in an… …
122Motor vehicle theft — Vehicle with broken window. Motor vehicle theft (sometimes referred to as grand theft auto by the media and police departments in the US) is the criminal act of stealing or attempting to steal a motor vehicle (such as an automobile, truck, bus,… …
123Smoke detector — A smoke detector is a device that detects smoke, typically as an indicator of fire. Commercial, industrial, and mass residential devices issue a signal to a fire alarm system, while household detectors, known as smoke alarms, generally issue a… …
124Air India Flight 182 — Boeing 747 237B Emperor Kanishka landing at London Heathrow Airport on 10 June 1985, a few days before the explosion Occurrence summary …
125Romania — /roh may nee euh, mayn yeuh/, n. a republic in SE Europe, bordering on the Black Sea. 21,399,114; 91,699 sq. mi. (237,500 sq. km). Cap.: Bucharest. Romanian, România /rddaw mu nyah/. * * * Romania Introduction Romania Background: Soviet… …
126România — /rddaw mu nyah/; Eng. /roh may nee euh, mayn yeuh/, n. Romanian name of ROMANIA. * * * Romania Introduction Romania Background: Soviet occupation following World War II led to the formation of a Communist peoples republic in 1947 and the… …
127MythBusters (2006 season) — Country of origin Australia United States No. of episodes 28 (includes 2 specials) Broadcast Original channel Discovery Channel …
128Locksmithing — began as the science and art of making and locks. A lock is a mechanism that secures buildings, rooms, cabinets, objects, or other storage facilities. A key is often used to open a lock. Means of opening a lock often include what you know (a… …
