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A continuous performance task (CPT) is a neuropsychological test that measures sustained and selective attention. Learn about the history, types, administration and scoring of CPTs, and how they are used to assess attention and impulsivity.
Learn about the orbital maneuvers that bring spacecraft to close proximity or contact. Explore the milestones and challenges of rendezvous and docking in human spaceflight, from Vostok to Apollo to ISS.
Video of the launch. Starship flight test 2 was the second flight test of the SpaceX Starship launch vehicle. SpaceX performed the flight test on November 18, 2023. [4] The mission's primary objectives were for the vehicle to hot stage—a new addition to Starship's flight profile—followed by the second stage attaining a near-orbital trajectory with a controlled reentry over the Pacific ...
The third integrated flight test of Starship included a full-duration burn of the second-stage engines, an internal propellant-transfer demonstration, and a test of the Starlink dispenser door. If the test sequence had progressed further, additional tests would have included an in-space relight followed by a hard splashdown of the ship in the ...
WebXPRT 4 is a cross-platform browser benchmark that runs HTML5- and JavaScript-based workloads. Learn about other browser speed tests, such as Speedometer 2.0, Peacekeeper, and Kraken, and how they measure browser performance.
The Parker Solar Probe is a NASA spacecraft launched in 2018 to study the outer corona of the Sun. It will approach to within 9.86 solar radii from the center of the Sun, and by 2025 will travel as fast as 690,000 km/h, the fastest object ever built.
The Bloodhound project was announced on 23 October 2008 at the London Science Museum by Lord Drayson – then Minister of Science in the UK's Department for Innovation, Universities and Skills – who first suggested the project in 2006 to land speed record holders Richard Noble and Andy Green, a pilot and Wing Commander serving in the RAF.
Learn about the spaceplane component of the Space Shuttle program, which carried astronauts and payloads into low Earth orbit. The web page covers the design, history, and specifications of the six operational orbiters, including Enterprise, the first test article.