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When a racon receives a radar pulse, it responds with a signal on the same frequency which puts an image on the radar display. This takes the form of a short line of dots and dashes forming a Morse character radiating away from the location of the beacon on the normal plan position indicator radar display. The length of the line usually ...
Etymology. The English meditation is derived from Old French meditacioun, in turn from Latin meditatio from a verb meditari, meaning "to think, contemplate, devise, ponder". In the Catholic tradition, the use of the term meditatio as part of a formal, stepwise process of meditation goes back to at least the 12th-century monk Guigo II, before which the Greek word theoria was used for the same ...
Worldwide distribution of country calling codes. Regions are coloured by first digit. Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.
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A sensitive compartmented information facility ( SCIF / skɪf / ), in United States military, national security/national defense and intelligence parlance, is an enclosed area within a building that is used to process sensitive compartmented information (SCI) types of classified information . SCIFs can be either permanent or temporary and can ...
Phone-free schools. As Haidt writes in his book, “in all schools from elementary through high school, students should store their phones, smartwatches, and any other personal devices that can ...
California Assembly Bill 3216, introduced in February, would require school districts to adopt a policy to limit or prohibit student use of smartphones while at school or under the supervision of ...
Hands-free phone kit fitted to a Saab 9-5.. Handsfree is an adjective describing equipment that can be used without the use of hands (for example via voice commands) or, in a wider sense, equipment which needs only limited use of hands, or for which the controls are positioned so that the hand can occupy themselves with another task (such as driving) without needing to hunt far afield for the ...