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  2. Continuous performance task - Wikipedia

    en.wikipedia.org/wiki/Continuous_performance_task

    In the Conners' CPT-III clients are told to click the space bar when they are presented with any letter except the letter "X". The person must refrain from clicking if they see the letter "X" presented. [1] [8] In QbTest, [4] the client is seated in front of a computer wearing a headband with a reflective marker. During the 15–20 minutes test ...

  3. Touch typing - Wikipedia

    en.wikipedia.org/wiki/Touch_typing

    Competitive typist Albert Tangora demonstrating his typing in 1938. Touch typing (also called blind typing, or touch keyboarding) is a style of typing.Although the phrase refers to typing without using the sense of sight to find the keys—specifically, a touch typist will know their location on the keyboard through muscle memory—the term is often used to refer to a specific form of touch ...

  4. Computer performance by orders of magnitude - Wikipedia

    en.wikipedia.org/wiki/Computer_performance_by...

    2×10 15: Nvidia DGX-2 a 2 Petaflop Machine Learning system (the newer DGX A100 has 5 Petaflop performance) 10×10 15: minimum computing power of a Type I Kardashev civilization [5] 11.5×10 15: Google TPU pod containing 64 second-generation TPUs, May 2017 [11] 17.17×10 15: IBM Sequoia's LINPACK performance, June 2013 [12]

  5. Yo-Yo intermittent test - Wikipedia

    en.wikipedia.org/wiki/Yo-Yo_intermittent_test

    Note: A circuit consists of running two shuttles followed by a 10 second rest period Table derived from "The Yo-Yo Intermittent Tests: A Systematic Review and Structured Compendium of Test Results" and ESPNCricinfo. As a side note, "Speed Level" correlates exactly with "Running Speed (km/h)" using the formula: (Running Speed – 7.5) * 2.

  6. “If I click on an ad for a pair of boots, then I go to Facebook, I see the boots,” she said. “And if I go to The New York Times, I see the boots and they follow me around.”

  7. Multi-stage fitness test - Wikipedia

    en.wikipedia.org/wiki/Multi-stage_fitness_test

    The multi-stage fitness test was first described by Luc Léger [6] with the original 1-minute protocol, which starts at a speed of 8.5 km/h, and increases by 0.5 km/h each minute. Other variations of the test have also been developed, where the protocol starts at a speed of 8.0 km/h and with either 1 or 2-minute stages, but the original ...

  8. Operation Plumbbob - Wikipedia

    en.wikipedia.org/wiki/Operation_Plumbbob

    Operation Plumbbob had the tallest tower tests to date in the U.S. nuclear testing program as well as high-altitude balloon tests. One nuclear test involved the largest troop maneuver ever associated with U.S. nuclear testing. Approximately 18,000 members of the U.S. Air Force, Army, Navy and Marines participated in exercises Desert Rock VII ...

  9. X-15 Flight 90 - Wikipedia

    en.wikipedia.org/wiki/X-15_Flight_90

    The X-15 engine burned about 85 seconds. Near the end of the burn, acceleration built up to about 4g (39 m/s²). Weightlessness lasted for 3 to 5 minutes. Re-entry heating warmed the exterior of the X-15 to 650 °C in places. During pull up after re-entry, the acceleration built up to 5g (49 m/s²) for 20 seconds. The entire flight lasted about ...