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  2. International Code of Signals - Wikipedia

    en.wikipedia.org/wiki/International_Code_of_Signals

    The International Code of Signals (INTERCO) is an international system of signals and codes for use by vessels to communicate important messages regarding safety of navigation and related matters. Signals can be sent by flaghoist , signal lamp ("blinker"), flag semaphore , radiotelegraphy, and radiotelephony.

  3. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon. Racon signal as seen on a radar screen. This beacon receives using sidelobe suppression and transmits the letter "Q" in Morse code near Boston Harbor (Nahant) 17 January 1985. Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1 ...

  4. Directed attention fatigue - Wikipedia

    en.wikipedia.org/wiki/Directed_attention_fatigue

    Signs of Directed Attention Fatigue include temporarily feeling unusually distractible, impatient, forgetful, or cranky when there is no associated illness. In more severe forms, it can lead to bad judgment, apathy, or accidents, and can contribute to increased stress levels.

  5. Scientists create contact lenses that zoom on command - Engadget

    www.engadget.com/2019-07-30-scientists-create...

    It’s down to $285 with a promo code Wellbots. Engadget. Twitch removes every member of its Safety Advisory Council. Twitch has terminated the contracts of all its Safety Advisory Council members.

  6. A new technique can detect newer 4G 'stingray' cell phone ...

    techcrunch.com/2020/08/05/crocodile-hunter-4g...

    Newer cell site simulators, called “Hailstorm” devices, take advantage of similar flaws in 4G that let police snoop on newer phones and devices. Some phone apps claim they can detect stingrays ...

  7. HD 101: Discrete IR codes - Engadget

    www.engadget.com/2009-02-05-hd-101-discrete-ir...

    This is where discrete IR commands come in. The remote knows the TV should be on, so it can send a command that it knows will always turn the TV on, even when the TV is already on, so the command ...

  8. LeoLabs and its high-fidelity space radar track orbital ...

    techcrunch.com/2019/10/14/leo-labs-and-its-high...

    The increasingly common phenomenon of shared-ride launches with dozens of satellites on board presents a new opportunity. Ground-based radars just aren’t designed to track 40 or 50 new objects ...

  9. This $30 device defeats almost any keyless car or garage door

    www.engadget.com/2015-08-10-hacking-device-lets...

    Car makers came up with "rolling code" after thieves figured out how to wirelessly steal codes from early keyless devices. The system works by changing the passkey every time you use a fob ...

  10. List of ISO 3166 country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_3166_country_codes

    See the ISO 3166-3 standard for former country codes. British Virgin Islands – See Virgin Islands (British) . Burma – See Myanmar . Cape Verde – See Cabo Verde . Caribbean Netherlands – See Bonaire, Sint Eustatius and Saba . China, The Republic of – See Taiwan (Province of China) . Democratic People's Republic of Korea – See Korea ...

  11. A guide to 3D display technology: its principles, methods ...

    techcrunch.com/2010/06/19/a-guide-to-3d-display...

    This results in reduced brightness and resolution. The 3DS’s screen is 800×240, but the effective resolution is 400×240 (giving it a weird aspect ratio somewhere between 16:9 and 16:10 ...