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  2. Level crossings by country - Wikipedia

    en.wikipedia.org/wiki/Level_crossings_by_country

    The white light flashes for half a second at regular intervals to inform all drivers and pedestrians that they can cross the level crossing, and that the device is in working order, if there are no trains approaching. In some cases, the white light is absent; in that case overtaking on the crossing is not allowed (if there are no barriers).

  3. Earthquake light - Wikipedia

    en.wikipedia.org/wiki/Earthquake_light

    A 2023 study found the earthquake light coincided with a magnetic disturbance detected by a geomagnetic observatory, and ruled out "the possibility of the flashes being caused by explosions in transformers or power supply facilities" by checking the maintenance reports of regional power stations, none of which had malfunctioned near the ...

  4. Emergency vehicle lighting - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle_lighting

    A Japanese police car with a PATLITE AWS light bar NEXCO East Japan patrol car with amber and red light bar. Red is the most used color on Japanese emergency vehicles. Japanese police use light bars mounted on a raised (mechanical) platform to make them more visible over congested streets. Rotating lights are most commonly used.

  5. Tokaimura nuclear accidents - Wikipedia

    en.wikipedia.org/wiki/Tokaimura_nuclear_accidents

    Two of the workers were working on the tank at the time of the accident; the third was in a nearby room. All three immediately reported seeing blue-white flashes. They evacuated immediately upon hearing the gamma alarms sound. After evacuating, one of the workers that was at the tank began experiencing symptoms of radiation exposure. [16]

  6. Human Shadow Etched in Stone - Wikipedia

    en.wikipedia.org/wiki/Human_Shadow_Etched_in_Stone

    Human Shadow Etched in Stone (人影の石, hitokage no ishi) [2] is an exhibition at the Hiroshima Peace Memorial Museum.It is thought to be the shadow of a person who was sitting at the entrance of Hiroshima Branch of Sumitomo Bank when the atomic bomb was dropped over Hiroshima.

  7. Photosensitive epilepsy - Wikipedia

    en.wikipedia.org/wiki/Photosensitive_epilepsy

    Uchū Ryokō caused a similar incident, when a reported four children were taken to hospitals by ambulances after viewing a scene with red and white flashing colours. [20] In March 2008, the Anonymous group of hackers was claimed to be behind an attack on a forum for people with epilepsy. [21]

  8. Variations in traffic light operation - Wikipedia

    en.wikipedia.org/wiki/Variations_in_traffic...

    In New Zealand, where traffic is on the left, when a road is given a green light from an all-direction stop, a red arrow can continue to display to turning traffic, holding traffic back while a pedestrian crossing on the side road is given a green signal (for left turns) or while oncoming traffic goes straight ahead and there is no permissive right turn allowed (for right turns).

  9. Japanese railway signals - Wikipedia

    en.wikipedia.org/wiki/Japanese_railway_signals

    In position-shunting signals, "go" consists of two white diagonal lights and "stop" consists of red and white horizontal lights. The two-color type uses LEDs. When the shunting signal identification sign (入換信号機識別標識, irekae shingōki shikibetsu hyōshiki ) is on, the indicator is a shunting signal ; when the sign is off, the ...