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Kensington's first trackball mouse was the Turbo Mouse for Macintosh released in 1986 and trackballs have since been one of the major offerings by the company. Their first laptop physical security lock was made in 1992. [6] Kensington also produced accessories for portable devices like the iPod, including the Stereo Dock in 2005. [7]
Logitech Cordless TrackMan Wheel trackball mouse The original version of the Kensington Expert Mouse can use a standard American pool ball as a trackball. [citation needed]A trackball is a pointing device consisting of a ball held by a socket containing sensors to detect a rotation of the ball about two axes—like an upside-down ball mouse with an exposed protruding ball. [1]
Kensington lock attached to a Kensington Security Slot on a PowerBook G4. Kensington locks can discourage opportunistic grab-and-run thefts of equipment from public locations such as coffee shops or libraries, but they are not designed to be impervious protection measures, nor are they intended to secure equipment in unattended locations, [3] because they can be torn out of equipment (although ...
Like other pointing devices such as mice, touchpads or trackballs, operating system software translates manipulation of the device into movements of the pointer on the computer screen. Unlike other pointing devices, it reacts to sustained force or strain rather than to gross movement, so it is called an "isometric" [ 1 ] pointing device.
This is a list of arcade games that have used a trackball to interact with the game. World Cup (Sega, March 1978) [1] [2] Atari Football (Atari, October 1978) [3] Shuffleboard (Midway Manufacturing, October 1978) [4] Atari Soccer (1979) Atari Baseball (1979) BullsEye (1980) Centipede (1980) Extra Bases (1980) Missile Command (1980) Kick (a.k.a ...
The following chart shows the number of launch systems developed in each country, and broken down by operational status. Rocket variants are not distinguished; i.e., the Atlas V series is only counted once for all its configurations 401–431, 501–551, 552, and N22.
When moving away from the source it is called an escape orbit, otherwise a capture orbit. It is also sometimes referred to as a C 3 = 0 orbit (see Characteristic energy ). Under standard assumptions a body traveling along an escape orbit will coast along a parabolic trajectory to infinity, with velocity relative to the central body tending to ...
The Kensington Runestone is a slab of greywacke stone covered in runes that was discovered in Western Minnesota, United States, in 1898. Olof Ohman, a Swedish immigrant , reported that he unearthed it from a field in the largely rural township of Solem in Douglas County .