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iBeacon is a protocol developed by Apple and introduced at the Apple Worldwide Developers Conference in 2013. [1] Various vendors have since made iBeacon-compatible hardware transmitters – typically called beacons – a class of Bluetooth Low Energy (BLE) devices that broadcast their identifier to nearby portable electronic devices.
Infrared search and track. An IRST sensor on a Sukhoi Su-35. An infrared search and track ( IRST) system (sometimes known as infrared sighting and tracking) is a method for detecting and tracking objects which give off infrared radiation, such as the infrared signatures of jet aircraft and helicopters. [1]
Screen time is the amount of time spent using a device with a screen such as a smartphone, computer, television, video game console, or even a tablet. The concept is under significant research with related concepts in digital media use and mental health .
DEFCON. The defense readiness condition ( DEFCON) is an alert state used by the United States Armed Forces. [1] [2] For security reasons, the US military does not announce a DEFCON level to the public. [1] The DEFCON system was developed by the Joint Chiefs of Staff (JCS) and unified and specified combatant commands. [3]
Automatic Packet Reporting System ( APRS) is an amateur radio -based system for real time digital communications of information of immediate value in the local area. [1] Data can include object Global Positioning System (GPS) coordinates Non-directional beacon, weather station telemetry, text messages, announcements, queries, and other ...
Activity tracker. An activity tracker is an electronic device, or an app on a device, that measures and collects data about an individual's movements and physical responses, towards the goal of monitoring and improving their health, fitness or psychological wellness over time. [1]
Economists at Bank of America warned this week that the US housing market is “stuck and we are not convinced it will become unstuck” until 2026 — or later. The bank said home prices will ...
Usage. The first variable of the template is required and can be UTC with or without an offset, GMT, or your time zone's abbreviation. The second variable is the image you wish to use. There are four images to from which to choose, or you can leave it blank, and your time zone's abbreviation will be displayed where the image would be.