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  2. SpaceStationSim - Wikipedia

    en.wikipedia.org/wiki/SpaceStationSim

    Release. November 2006 [ 1] Genre (s) Life simulation. Mode (s) Single-player. SpaceStationSim is a space station simulation video game by American studio Vision Videogames. [ 4] The game was developed with cooperation from NASA [ 4][ 5][ 6] and the Japanese Space Administration. [ 7][ 8] A PlayStation 2 version for the game was announced but ...

  3. Visual acuity - Wikipedia

    en.wikipedia.org/wiki/Visual_acuity

    A reference value above which visual acuity is considered normal is called 6/6 vision, the USC equivalent of which is 20/20 vision: At 6 metres or 20 feet, a human eye with that performance is able to separate contours that are approximately 1.75 mm apart. [9] Vision of 6/12 corresponds to lower performance, while vision of 6/3 to better ...

  4. List of HDL simulators - Wikipedia

    en.wikipedia.org/wiki/List_of_HDL_simulators

    Aldec. VHDL-1987,-1993,-2002,-2008,-2019 V1995, V2001, V2005, SV2009, SV2012, SV2017. Active-HDL is Aldec's Windows-based simulator with complete HDL graphical entry and verification environment aimed at FPGA and SoC FPGA applications. Riviera-PRO is Aldec's Windows/Linux-based simulator with complete verification environment aimed at FPGA, SoC ...

  5. Virtual reality - Wikipedia

    en.wikipedia.org/wiki/Virtual_reality

    Our eyes have a horizontal FOV from about 107 or 110 degrees to the temporal side to about 60 or 70 degrees toward the nose, and a vertical FOV from about 95 degrees downward to 85 degrees upward, [83] and eye movements are estimated as roughly 30 deg to either side horizontally and 20 vertically. Binocular vision is limited to the 120 or 140 ...

  6. Six degrees of freedom - Wikipedia

    en.wikipedia.org/wiki/Six_degrees_of_freedom

    The six degrees of freedom: forward/back, up/down, left/right, yaw, pitch, roll. Six degrees of freedom (6DOF), or sometimes six degrees of movement, refers to the six mechanical degrees of freedom of movement of a rigid body in three-dimensional space. Specifically, the body is free to change position as forward/backward (surge), up/down ...

  7. Snellen chart - Wikipedia

    en.wikipedia.org/wiki/Snellen_chart

    Snellen chart. Purpose. Snellen chart is used to estimate visual acuity (last three rows are 20/15, 20/13 and 20/10) A Snellen chart is an eye chart that can be used to measure visual acuity. Snellen charts are named after the Dutch ophthalmologist Herman Snellen who developed the chart in 1862 as a measurement tool for the acuity formula ...