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  2. Collision avoidance in transportation - Wikipedia

    en.wikipedia.org/wiki/Collision_avoidance_in...

    A simple collision avoidance system. In transportation, collision avoidance is the maintenance of systems and practices designed to prevent vehicles (such as aircraft, motor vehicles, ships, cranes and trains) from colliding with each other.

  3. Nyonoksa radiation accident - Wikipedia

    en.wikipedia.org/wiki/Nyonoksa_radiation_accident

    The timing and location of the event coincides with the reported accident in Archangelsk. [21] Several fishermen stated on sanatatur.ru that they witnessed the accident: one saw a 100-meter column of water rise into the air after the explosion and another saw a large hole in the side of a ship which had been at the site of the explosion. [9]

  4. Missions of the United States Coast Guard - Wikipedia

    en.wikipedia.org/wiki/Missions_of_the_United...

    See National Search and Rescue Committee Search and Rescue emblem of U.S. Coast Guard. Search and Rescue (SAR) is one of the Coast Guard's oldest missions. The National Search and Rescue Plan [2] designates the United States Coast Guard as the federal agency responsible for maritime SAR operations in U.S. and international waters, and the United States Air Force as the federal agency ...

  5. Tower crane anti-collision system - Wikipedia

    en.wikipedia.org/wiki/Tower_Crane_Anti-Collision...

    In 2011, Hong Kong introduced a "Code of Practice for the Safe Use of Tower Cranes" and Singapore introduced a "Workplace Safety and Health construction Regulation". Both required the provision of an anti-collision system where more than one tower crane is in use. [5] [6]

  6. Tetraphobia - Wikipedia

    en.wikipedia.org/wiki/Tetraphobia

    An elevator control panel in a residential apartment building in Shanghai with no floor numbered as the 4th The number 4 missing in a parking lot in Japan. Tetraphobia (from Ancient Greek τετράς (tetrás) 'four' and Ancient Greek φόβος (phóbos) 'fear') is the practice of avoiding instances of the digit 4.

  7. Airborne collision avoidance system - Wikipedia

    en.wikipedia.org/wiki/Airborne_collision...

    The U.S. Air Force's F-16D Ground Collision Avoidance Technology (GCAT) aircraft.. An airborne collision avoidance system (ACAS, usually pronounced as ay-kas) operates independently of ground-based equipment and air traffic control in warning pilots of the presence of other aircraft that may present a threat of collision.

  8. Self-driving car - Wikipedia

    en.wikipedia.org/wiki/Self-driving_car

    A self-driving car, also known as an autonomous car (AC), driverless car, robotaxi, robotic car or robo-car, [1] [2] [3] is a car that is capable of operating with reduced or no human input.

  9. Collision avoidance (spacecraft) - Wikipedia

    en.wikipedia.org/wiki/Collision_avoidance...

    Spacecraft collision avoidance is the implementation and study of processes minimizing the chance of orbiting spacecraft inadvertently colliding with other orbiting objects. The most common subject of spacecraft collision avoidance research and development is for human-made satellites in geocentric orbits .