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Two decades of evolution of mobile phones, from a 1992 Motorola DynaTAC 8000X to the 2014 iPhone 6 Plus. A mobile phone, or cell phone, [a] is a portable telephone that allows users to make and receive calls over a radio frequency link while moving within a designated telephone service area, unlike fixed-location phones (landline phones).
A recommender system (RecSys), or a recommendation system (sometimes replacing system with terms such as platform, engine, or algorithm), is a subclass of information filtering system that provides suggestions for items that are most pertinent to a particular user.
The favored aspect ratio of mass-market display industry products has changed gradually from 4:3, then to 16:10, then to 16:9, and has now changed to 18:9 for smartphones. [7] [needs update] The 4:3 aspect ratio generally reflects older products, especially the era of the cathode ray tube (CRT).
MAGURA V5 (Maritime Autonomous Guard Unmanned Robotic Apparatus V-type) [note 1] is a Ukrainian multi-purpose unmanned surface vehicle (USV) developed for use by the Main Directorate of Intelligence of Ukraine [1] (HUR) capable of performing various tasks: surveillance, reconnaissance, patrolling, search and rescue, mine countermeasures, maritime security, and combat missions.
In December 2014, NASA awarded Lockheed Martin a contract to study the feasibility of building the SR-72's propulsion system using existing turbine engine technologies, The $892,292 (~$1.13 million in 2023) contract funded a design study to determine the viability of a TBCC propulsion system by combining one of several current turbine engines, with a very low Mach ignition Dual Mode Ramjet (DMRJ).
Learn how to download and install or uninstall the Desktop Gold software and if your computer meets the system requirements.
The northern hawk-owl or northern hawk owl (Surnia ulula) is a medium-sized true owl of the northern latitudes. It is non-migratory and usually stays within its breeding range, though it sometimes irrupts southward.
The giant panda (Ailuropoda melanoleuca), also known as the panda bear or simply panda, is a bear species endemic to China.It is characterised by its white coat with black patches around the eyes, ears, legs and shoulders.