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  2. Space Shuttle abort modes - Wikipedia

    en.wikipedia.org/wiki/Space_Shuttle_abort_modes

    T+5 minutes, 45 seconds Sensor problem shut SSME No. 1 down. Mission continued in lower than planned orbit. Only non-RSLS abort during the entire program. 1993-03-22 Columbia: STS-55: RSLS T−3 seconds Problem with purge pressure readings in the oxidizer preburner on SSME No. 2. All engines replaced on pad. 1993-08-12 Discovery: STS-51: RSLS T ...

  3. Zellweger off-peak - Wikipedia

    en.wikipedia.org/wiki/Zellweger_off-peak

    Zellweger is the brand name of an electric switching device also known as a Ripple Control Receiver used to control off-peak electrical loads such as water heaters by switching these loads OFF over peak energy use times of the day and switching them ON after peak energy use times of the day, hence the term 'off peak' control.

  4. SpaceX Merlin - Wikipedia

    en.wikipedia.org/wiki/SpaceX_Merlin

    Shortly before the scheduled second flight of the Falcon 9, two cracks were discovered in the 2.7-meter-long (9 ft) niobium-alloy-sheet nozzle of the Merlin Vacuum engine. The engineering solution was to cut off the lower 1.2 m (4 ft) of the nozzle and launch two days later, as the extra performance that would have been gained from the longer ...

  5. AS-101 - Wikipedia

    en.wikipedia.org/wiki/AS-101

    The ascent was normal up to 116.9 seconds after liftoff, at which point engine number eight shut off early. This was not planned, as it had been on SA-4 as a test, but the rocket compensated perfectly by burning the remaining fuel in the other seven engines for 2.7 seconds longer than planned. The first stage separated and the second stage ignited.

  6. Power-on hours - Wikipedia

    en.wikipedia.org/wiki/Power-On_Hours

    Power-on hours is intended to indicate a remaining lifetime prediction for hard drives and solid state drives, generally, "the total expected life-time of a hard disk is 5 years" [3] or 43,800 hours of constant use. [4] [5] Typically, after a disk reaches 5 years or 43,800 of power-on time, it is no longer in perfect condition and therefore is ...

  7. Shutdown (computing) - Wikipedia

    en.wikipedia.org/wiki/Shutdown_(computing)

    Shuts down and reboots a computer. -m[\\ Computer Name] When shutting down a network computer, allows user to choose which computer to turn off. -t xx Timer before shut down occurs. By default it is set to 30 seconds. -c "message" Allows a message to be shown in the System Shutdown window. It can not be more than 127 characters.

  8. Why do we work 9 to 5? The history of the eight-hour workday

    www.aol.com/why-9-5-history-eight-105902493.html

    US work culture revolves around employees putting in eight hours a day, five days a week — a schedule immortalized by Dolly Parton in her 1980 song “9 to 5.” It’s just the norm, many ...

  9. SFT - Wikipedia

    en.wikipedia.org/wiki/SFT

    SFT is an initialism that could refer to: Sabrina Frederick-Traub (born 1996), Australian rules footballer nicknamed SFT; Schema therapy; Scottish Futures Trust;