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  2. 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 ...

  3. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    Country calling codes, country dial-in codes, international subscriber dialing ( ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks. Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E.123 and E.164. The ...

  4. Half-Life VR but the AI Is Self-Aware - Wikipedia

    en.wikipedia.org/wiki/Half-Life_VR_but_the_AI_Is...

    Half-Life VR but the AI Is Self-Aware (sometimes shortened to Half-Life VR: Self Aware AI and abbreviated HLVR: AI) is a role-playing themed livestream and machinima series staged within a virtual reality version Garry's Mod recreation of the video game Half-Life. The series, live streamed to Twitch with highlights later uploaded to YouTube ...

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

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

    Scientists at the University of California San Diego have created a prototype contact lens that is controlled by the eye's movements. Wearers can make the lenses zoom in or out by simply blinking ...

  6. HD 101: Discrete IR codes - Engadget

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

    Discrete IR codes are their mirror opposites. The best example of why you'd want a discrete IR code is when you are trying to eliminate the complexity of your system by going to single remote. If ...

  7. 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 ...

  8. List of transponder codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Transponder_Codes

    The following list shows specific aeronautical transponder codes, and ranges of codes, that have been used for specific purposes in various countries. Traditionally, each country has allocated transponder codes by their own scheme with little commonality across borders.

  9. 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. [citation needed]

  10. Skydio's R1 drone can autonomously follow your car, too

    www.engadget.com/2018-05-30-skydios-r1-drone-can...

    Skydio's AI-powered R1 drone can autonomously track subjects like a champ, but until now it's been limited to following humans. Now, the company has introduced a feature called Car Follow ...

  11. List of SIP response codes - Wikipedia

    en.wikipedia.org/wiki/List_of_SIP_response_codes

    SIP responses specify a three-digit integer response code, which is one of a number of defined codes that detail the status of the request.