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  2. List of ray tracing software - Wikipedia

    en.wikipedia.org/wiki/List_of_ray_tracing_software

    List of ray tracing software. Ray tracing is a technique that can generate near photo-realistic computer images. A wide range of free software and commercial software is available for producing these images. This article lists notable ray-tracing software. Software.

  3. Flight envelope protection - Wikipedia

    en.wikipedia.org/wiki/Flight_envelope_protection

    China Airlines Flight 006 damaged by going outside its flight envelope to gain control after a drop of 3,000 m in 20 seconds. Flight envelope protection is a human machine interface extension of an aircraft's control system that prevents the pilot of an aircraft from making control commands that would force the aircraft to exceed its structural and aerodynamic operating limits.

  4. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...

  5. Skydio - Wikipedia

    en.wikipedia.org/wiki/Skydio

    Skydio was founded in 2014 by Adam Bry, Abe Bachrach, and Matt Donahoe, all of whom had studied at the Massachusetts Institute of Technology. [18]Adam Bry and Abe Bachrach were in the Robust Robotics Group, researching ways to build aircraft that could fly themselves without GPS, culminating in a fixed wing drone with a laser range finder that autonomously navigated its way around a parking lot.

  6. CAC/PAC JF-17 Thunder - Wikipedia

    en.wikipedia.org/wiki/CAC/PAC_JF-17_Thunder

    The JF-17 was designed and developed primarily to meet the PAF requirement for an affordable, [23] unsanctionable, fourth-generation, lightweight, multi-role combat aircraft as a replacement for its large fleet of Nanchang A-5C bombers, Chengdu F-7P/PG interceptors, and Dassault Mirage III/5 fighters, with a cost of US$500 million, divided equally between Pakistan and China. [24]

  7. Free software - Wikipedia

    en.wikipedia.org/wiki/Free_software

    Free software differs from: proprietary software, such as Microsoft Office, Windows, Adobe Photoshop, Facebook or FaceTime. Users cannot study, change, and share their source code. freeware or gratis [14] software, which is a category of proprietary software that does not require payment for basic use.

  8. Free and open-source software - Wikipedia

    en.wikipedia.org/wiki/Free_and_open-source_software

    "Free and open-source software" (FOSS) is an umbrella term for software that is simultaneously considered both free software and open-source software. [5] The precise definition of the terms "free software" and "open-source software" applies them to any software distributed under terms that allow users to use, modify, and redistribute said software in any manner they see fit, without requiring ...

  9. FreeCAD - Wikipedia

    en.wikipedia.org/wiki/FreeCAD

    FreeCAD is a general-purpose parametric 3D computer-aided design (CAD) modeler and a building information modeling (BIM) software application with finite element method (FEM) support. [2] It is intended for mechanical engineering product design but also expands to a wider range of uses around engineering, such as architecture or electrical ...