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NordVPN is a Lithuanian VPN service with applications for Microsoft Windows, macOS, Linux, Android, iOS, Android TV, and tvOS. [8] [9] [10] Manual setup is available for wireless routers, NAS devices, and other platforms.
A new hatchback variant called the Proton Saga Aeroback was launched in October 1987. [8] On 16 March 1989, Proton launched the Saga in the United Kingdom. [8] The saloon models were renamed Proton 1.3 and Proton 1.5, while the hatchback versions featured additional 'Aeroback' badging. Proton advertised their models with the slogan "Japanese ...
In medicine, proton therapy, or proton radiotherapy, is a type of particle therapy that uses a beam of protons to irradiate diseased tissue, most often to treat cancer.The chief advantage of proton therapy over other types of external beam radiotherapy is that the dose of protons is deposited over a narrow range of depth; hence in minimal entry, exit, or scattered radiation dose to healthy ...
The proton is a "bare charge" with only about 1/64,000 of the radius of a hydrogen atom, and so is extremely reactive chemically. The free proton, thus, has an extremely short lifetime in chemical systems such as liquids and it reacts immediately with the electron cloud of any available molecule.
In 2012, Valve announced Steam for Schools, a free function-limited version of the Steam client for schools. [144] It was part of Valve's initiative to support gamification of learning. It was released alongside free versions of Portal 2 and a standalone program called "Puzzle Maker" that allowed teachers and students to create and manipulate ...
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