Electric fence — An electric fence is a barrier that uses electric shocks to deter animals or people from crossing a boundary. The voltage of the shock may have effects ranging from uncomfortable, to painful or even lethal. Most electric fencing is used today for … Wikipedia
Burglar alarm — Silent alarm redirects here. For the album, see Silent Alarm (album). Burglar (or intrusion), fire and safety alarms are all electronic today. Sensors are connected to a control unit via a low voltage hardwire or narrowband RF signal which is… … Wikipedia
Ravage (Transformers) — Ravage is the name of several fictional characters in the Transformers universes. Due to the inability to trademark the common word ravage , he is sometimes called Battle Ravage, Command Ravage or Tripredacus Agent. In 2007 Hasbro released the… … Wikipedia
Early warning radar — An early warning radar is any radar system used primarily for the long range detection of its targets, i.e., allowing defences to be alerted as early as possible before the intruder reaches its target, giving the defences the maximum time in… … Wikipedia
Military Affairs — ▪ 2009 Introduction Russia and Georgia fought a short, intense war in 2008, fueling global fears of a new Cold War. On August 7 Georgia launched an aerial bombardment and ground attacks against its breakaway province of South Ossetia.… … Universalium
Barn Owl — Tyto alba alba at British Wildlife Centre, Surrey, England Conservation status … Wikipedia
literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… … Universalium