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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. RadCon - Wikipedia

    en.wikipedia.org/wiki/RadCon

    Created as the brain child of Edgar Lincoln and his wife Norma Barret-Lincoln with the help of friends, some of whom are still involved today, RadCon is a not-for-profit organization that promotes education in Science Fiction and Fantasy.

  4. List of ray tracing software - Wikipedia

    en.wikipedia.org/wiki/List_of_ray_tracing_software

    List of ray tracing software. Ray tracing is a technique that can generate near photo-realistic computer images. A wide range of free software and commercial software is available for producing these images. This article lists notable ray-tracing software. Software.

  5. Distraction - Wikipedia

    en.wikipedia.org/wiki/Distraction

    Distraction. Distraction is the process of diverting the attention of an individual or group from a desired area of focus and thereby blocking or diminishing the reception of desired information. Distraction is caused by: the lack of ability to pay attention; lack of interest in the object of attention; or the great intensity, novelty or ...

  6. List of pre-Code films - Wikipedia

    en.wikipedia.org/wiki/List_of_pre-Code_films

    Pre-Code Hollywood is the era in the American film industry between the introduction of sound ( talkies) in the late 1920s [1] and the enforcement of the Motion Picture Production Code (Hays Code) censorship guidelines. Although the Code was adopted in 1930, oversight was poor and it did not become effectively enforced until July 1, 1934.

  7. 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]

  8. Red List building materials - Wikipedia

    en.wikipedia.org/wiki/Red_List_building_materials

    According to ILFI, the list is composed of materials that should be phased out of production due to health concerns. The list is updated as new science emerges. The most recent update came in April 2022. The LBC red list is shown directly below. This list includes both chemicals and chemical groups.

  9. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    Summary. This table lists in its first column the initial digits of the country code shared by each country in each row, which is arranged in columns for the last digit. When three-digit codes share a common leading pair, the shared prefix is marked by an arrow, ( ↙ ) pointing down and right to the three-digit codes.

  10. ISO 3166-1 numeric - Wikipedia

    en.wikipedia.org/wiki/ISO_3166-1_numeric

    The following is a complete list of the current officially assigned ISO 3166-1 numeric codes, using a title case version of the English short names officially used by the ISO 3166 Maintenance Agency (ISO 3166/MA):

  11. Radioteletype - Wikipedia

    en.wikipedia.org/wiki/Radioteletype

    The 5 data bits allow for only 32 different codes, which cannot accommodate the 26 letters, 10 figures, space, a few punctuation marks and the required control codes, such as carriage return, new line, bell, etc.