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  2. Identification friend or foe - Wikipedia

    en.wikipedia.org/wiki/Identification_friend_or_foe

    Identification, friend or foe ( IFF) is a combat identification system designed for command and control. It uses a transponder that listens for an interrogation signal and then sends a response that identifies the broadcaster. IFF systems usually use radar frequencies, but other electromagnetic frequencies, radio or infrared, may be used. [1]

  3. List of Microsoft Surface accessories - Wikipedia

    en.wikipedia.org/wiki/List_of_Microsoft_Surface...

    The Surface Pro and Pro 2 feature a 48 watt power supply with a USB (power only) port on the charging brick. As with the Surface 2's power supply, the Pro 2's power supply features a larger indicator light. Microsoft redesigned the power supply for the Surface Pro 3 with a new "fin" connector and a 36 watt rating.

  4. Why a log of redacted Signal messages shines a light on ... - AOL

    www.aol.com/finance/why-log-redacted-signal...

    In 2023, 26.7% of executives at Level 8 or above were women. That’s up from 25.2% in 2022 and 24.1% in 2021. But earlier this month, I was reminded of Amazon’s male-dominated leadership beyond ...

  5. History of AC power plugs and sockets - Wikipedia

    en.wikipedia.org/wiki/History_of_AC_power_plugs...

    The first US power plug and socket dated 1904. Several early American electrical plug and socket arrangements were invented by Harvey Hubbell. On 26 February 1903 he filed two patent applications featuring 2-pin plugs and adaptors for using his plugs with existing designs of lamp sockets and wall receptacles.

  6. Can your smartwatch detect if you have early Parkinson ... - AOL

    www.aol.com/smartwatch-detect-early-parkinson...

    In their new study, they report that everyday smartwatches and smartphones — in this case, an Apple Watch paired with an app on an iPhone — could potentially be used to measure changes in ...

  7. Schuko - Wikipedia

    en.wikipedia.org/wiki/Schuko

    It is a registered trademark [1] referring to a system of AC power plugs and sockets that is defined as " CEE 7/3" (sockets) and "CEE 7/4" (plugs). A Schuko plug features two round pins of 4.8 mm diameter (19 mm long, centers 19 mm apart) for the line and neutral contacts, plus two flat contact areas on the top and bottom side of the plug for ...

  8. Under pressure on plane safety, Boeing is buying stressed ...

    www.aol.com/news/boeing-announces-purchase...

    Boeing, located in Arlington, Virginia, announced the purchase in a statement late Sunday. The acquisition's equity value of $4.7 billion is $37.25 per share, while the total value of the deal is ...

  9. Runway Awareness and Advisory System - Wikipedia

    en.wikipedia.org/wiki/Runway_Awareness_and...

    Runway Awareness and Advisory System. The Runway Awareness and Advisory System (RAAS) is an electronic detection system that notifies aircraft flight crews on the ground of their position relative to their allocated runway. It is a type of Runway Situation Awareness Tool (RSAT). [1]